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5951E6

Aviation Meteorological Equipment Technician

E-6 (Staff Sergeant) · Marines

E1–E3E-4E-5E-6E-7E8–E9
HEADS UP

You are the only Marine on the air station who does this job at the institutional level. The aviation weather officer calls you — not your Sgt, not the maintenance officer — when a calibration anomaly surfaces mid-exercise and the question is whether the last 48 hours of sounding data are trustworthy. The FAA liaison calls you when the calibration traceability documentation for the AWOS instruments needs a program-level signature. Your name is on the equipment program. Own it accordingly.

The Honest MOS Read
SSgt in the 5951 MOS is not a larger version of the Sgt section lead billet. It is a different seat with a different audience and a different accountability weight. The Sgt runs the daily operations of a section. The SSgt runs the institutional program of a meteorological equipment function at an air station, a Marine aircraft group, or a forward-deployed aviation element — and the institutional program is a different thing entirely. The aviation weather officer is your primary customer and your primary audience. Not the maintenance officer, not the squadron CO, not the Sgt whose FitRep you are writing — the aviation weather officer, because the meteorological equipment program exists to produce weather products the aviation community can use with confidence, and the SSgt is the person who can give the aviation weather officer an honest assessment of equipment calibration status, data-quality history, and program risk. The section chief who briefs the aviation weather officer on equipment status as a status recitation — 'all instruments FMC, no open work orders' — is a section chief providing a readiness dashboard. The section chief who briefs the aviation weather officer on program risk — 'the rawinsonde ground station is approaching the end of its equipment service life, the manufacturer's recommended overhaul interval is this fiscal year, and the next procurement cycle does not align; here is the risk to sounding data quality during the gap and here are the mitigation options' — is a section chief providing advisory value. That is the difference between the SSgt billet and the Sgt billet. The FAA and NOAA relationships are real and they are yours to manage. The AWOS equipment at a Marine Corps air station is installed, operated, and maintained to standards that the FAA monitors because the AWOS feeds the airfield weather reporting system that civilian and military aviation uses. FAA flight standards and certification requirements apply to the AWOS equipment program in ways that do not apply to every other instrument in the section's inventory. The calibration traceability requirement — that every calibration standard used in the section's calibration program traces back to the National Institute of Standards and Technology (NIST) through an unbroken chain of documented comparisons — is a Federal Meteorological Handbook No. 3 requirement that the FAA evaluates. The SSgt is the person who understands that requirement, maintains the traceability documentation, and can present the section's calibration history to an FAA evaluator without the aviation weather officer having to interpret. FitReps on Sgts are the administrative layer that the Cpl and LCpl tiers did not prepare you for. At Sgt you wrote FitRep Section A inputs on Cpls who made up one or two entries in the reporting senior's relative value stack. At SSgt you write FitRep Section A inputs on your Sgts, and those inputs feed a centralized SNCO selection board that reads relative value placement across the entire Marine Corps at the SSgt tier. A Sgt whose Section A input you wrote accurately — specific, behavior-based, proportionate — is a Sgt who is competitive at the GySgt board. A Sgt whose Section A you inflated, softened, or wrote generically is a Sgt who may not be competitive at the GySgt board despite deserving to be — and the SSgt who inflated or softened the Section A is the SSgt whose own FitRep narrative the aviation weather officer and the maintenance officer write with diminished confidence. The GySgt board is the career decision the SSgt billet is building toward. In a MOS with fewer active billets than most occupational fields in the Marine Corps, the GySgt board is a small pool. Every Sgt and SSgt in the 5951 community is visible to the board in a way that mid-tier NCOs in large MOSs are not. The SSgt with a strong FitRep portfolio, completed Staff NCO Academy PME, a clean conduct record, and a deployment or forward-assignment operational profile is competitive. The SSgt who is missing any of those four elements is not — and in a small MOS, the deficit is visible without a magnifying glass. B-billet timing is the career management question the SSgt needs to resolve before the GySgt board cycle, not during it. A Drill Instructor tour identifier from a Sgt-tier or SSgt-tier DI assignment is a GySgt board positive marker. A Marine Security Guard tour identifier from an embassy posting is operationally credible in a way that garrison-only profiles are not. The career planner conversation about B-billet options should happen before the third year of the SSgt tour — not after the board cycle opens and the assignment slate is already closed.
Career Arc
  • 01SSgt selection via centralized SNCO board under MCO 1400.32 — section chief assumption at the air station MET section; first billet as the senior NCO advising the aviation weather officer at the program level rather than the daily operations level.
  • 02Full section T&R program ownership — SSgt inherits accountability for the section's collective task qualification matrix, the equipment calibration schedule, the AWOS FAA compliance documentation, and the MIMMS maintenance data program from day one.
  • 03First Staff NCO Academy PME slot scheduled — in-residence at Quantico is the standard; the GySgt board reads PME completion as a baseline requirement; schedule the slot in the first year of the SSgt billet.
  • 04FAA and NOAA calibration traceability documentation reviewed and current — the first 90 days in the SSgt billet should include a complete audit of the section's calibration traceability chain against Federal Meteorological Handbook No. 3 requirements.
  • 05First FitRep cycle as section chief — Section A narratives on Sgts submitted to the reporting senior (aviation weather officer or maintenance officer) without revision; the first cycle is the aviation weather officer's read on whether the SSgt evaluates honestly.
  • 06B-billet decision made and action taken — DI duty, MSG, or deliberate choice to remain in the 5951 section for the GySgt board build; the decision should be documented through the career planner before the third year of the SSgt tour.
  • 07GySgt selection board window — centralized board reads FitRep relative value, PME completion, conduct record, deployment and operational profile, and B-billet identifier if applicable; the SSgt who manages all five variables deliberately is competitive.
Common Screwups
  • ×NJP, DUI, or Article 92 violation at SSgt. At the section chief rank, UCMJ action does not affect only the individual — it removes the section's program management continuity, generates a formal fitness report adverse material notation, and in most cases results in administrative separation under MARCORSEPMAN. In a MOS where every aviation MET section in the Marine Corps has a handful of SSgts, a charge sheet is known across the community within days. The aviation weather officer who had to brief the maintenance officer on a section chief UCMJ action is not writing a favorable GySgt board FitRep narrative.
  • ×FitRep inflation on Sgt Section A inputs — 'outstanding Marine with unlimited potential' written without observed-behavior support. The GySgt board reads FitRep portfolios across multiple cycles; a pattern of Section A inputs that every Sgt's reporting senior appears to endorse without revision looks like a pattern of accurate evaluation. A pattern of Section A inputs that are consistently soft, generic, or unrelatedly positive looks like a pattern of an SSgt who cannot evaluate honestly — and the GySgt board notes that pattern. The SSgt whose Section A inputs on Sgts are specific, defensible, and proportionate is the SSgt whose own FitRep narrative the aviation weather officer writes with confidence.
  • ×Missing Staff NCO Academy PME through schedule conflict without recovering the slot. The GySgt board reads PME completion as a baseline requirement. An SSgt who is not Staff NCO Academy-complete when the board meets is visibly disadvantaged in the relative value comparison regardless of FitRep quality or operational profile. If the B-billet, MEU deployment, or major exercise rotation consumes the in-residence window, document the conflict through the career planner and use the CDET distance education option to close the gap — then schedule the in-residence completion for the next available window.
  • ×Allowing calibration program documentation to lapse under the FAA compliance threshold without briefing the aviation weather officer and the maintenance officer before an external review. The FAA calibration traceability audit does not announce itself in advance of every visit. The SSgt who discovers a traceability documentation gap during an FAA evaluator's visit is the SSgt presenting a corrective action plan in front of the evaluator and the aviation weather officer simultaneously. The SSgt who audited the traceability documentation 90 days before and corrected the gap is the SSgt who hands the evaluator a complete documentation package and moves on. One of these outcomes is the GySgt board narrative. The other is the FitRep adverse material.
  • ×Losing a Sgt to UCMJ, DUI, or administrative action because a personal readiness problem that the SSgt knew about was not routed to the correct resource in time. Section chief accountability at SSgt extends to the section's welfare in ways the Sgt billet did not. The Sgt who calls at 2200 with a financial crisis, a marital separation, or a behavioral health concern is not a disruption — he is a Marine whose problem is manageable today and potentially career-ending by next week if the SSgt does not route it to the correct resource tonight. The chain of custody for personal readiness problems runs through the section chief. The aviation weather officer who hears about a Sgt's crisis from the squadron CO instead of from the SSgt who handled it has a direct conversation with the SSgt about what section chief accountability actually means.

A Day in the Life

  • 0500Check the section's duty log and group chat overnight — any equipment status changes, personnel issues, or messages from the aviation weather officer or maintenance officer. If a Sgt flagged a sensor anomaly during a late-night sounding, verify it was logged correctly and brief the aviation weather officer before the morning formation, not after.
  • 0530PT formation. Section accountability to the aviation weather officer or the maintenance officer's formation. The SSgt who is last into formation is the SSgt the officer notes. Report accountability clean and complete.
  • 0530–0700Unit PT. At SSgt, the section chief sets the fitness standard by running at the front of the formation, not by monitoring from the side. The section chief who defers PT to the Sgts and watches from the parking lot is the section chief whose section's fitness average trends toward 2nd-Class over two years.
  • 0700–0830Hygiene, chow, utilities. Before morning colors, walk the equipment status board and verify the Sgt updated it with any overnight status changes. Verify the calibration due-date board for the next 72 hours against the maintenance schedule. Any discrepancy between the board and the actual equipment state gets corrected before the morning brief, not during it.
  • 0830Morning formation. Aviation weather officer or maintenance officer gives the day's priorities. The SSgt briefs the section immediately after: which calibration events are due today, which work orders need action, which collective task evaluations are scheduled. The section that is waiting for further instruction at 0900 is the section the SSgt did not brief.
  • 0900–0945Aviation weather officer brief — equipment readiness status for the day's flight schedule, any data-quality concerns from the overnight sounding, any equipment items requiring the aviation weather officer's awareness before the daily weather brief to the squadron. The SSgt who brings one item to this brief that the aviation weather officer did not already know — a trending pressure sensor, an approaching calibration due date, a traceability certificate renewal pending — is the SSgt providing program advisory value.
  • 0945–1130Section execution. The Sgts are running the maintenance events; the SSgt is monitoring quality, reviewing work order narratives before they go to QA, and conducting the program-level administrative work: FitRep Section A drafts, calibration traceability documentation review, career counseling session preparation. If a T&R collective task evaluation is scheduled for the section, the SSgt runs it — the evaluation criteria are the SSgt's to apply, not to delegate.
  • 1130–1300Chow. The SSgt is at the NCO table with the aviation weather officer's ground-support NCOs and the maintenance section chiefs. The GySgt reads which section chiefs are engaged in professional conversation and which ones are on their phones.
  • 1300–1500Afternoon administrative block. FitRep Section A drafts for any Sgt whose cycle closes this quarter — draft from the counseling notes, revise based on what was observed this morning, coordinate informally with the aviation weather officer before the formal cycle deadline. Monthly pro/con marks for every Marine in the section due at end of month. Calibration certificate audit if the quarterly review is scheduled. Career planner coordination for any Sgt whose B-billet or PME slot is in the planning window.
  • 1500Final formation. Aviation weather officer or maintenance officer gives the next day's plan. Equipment status confirmed — any status change from the day is briefed to the SSgt and updated on the board before the section disperses. The SSgt who discovers the day's status changes after final formation is the SSgt whose Sgt did not brief him before formation. That conversation happens the same afternoon.
  • 1530–1600Section close-out. Verify next morning's pre-launch preparations are staged, sensitive items are accounted for, and the equipment status board reflects the day's actual posture. Brief the duty NCO on any overnight monitoring requirements. The SSgt who walks out of the section space with the board accurate and the next morning's materials prepared is the SSgt whose aviation weather officer can brief equipment status at any 0600 phone call without calling the section back.
  • 1700–2000Personal time — family if married and off-base, professional development if in the barracks. Staff NCO Academy coursework if enrolled in the distance education pre-course. FitRep Section A revisions. GySgt board research — pull the current MARADMIN for the 5951 GySgt board, assess each Sgt's FitRep portfolio against the competitive benchmarks, update the development counseling plan for next month's session. Tuition Assistance coursework if enrolled.
  • 2000–2200If a Marine called with a problem — financial, marital, legal, medical, behavioral health — the SSgt is on the phone or driving there. Route the problem to the correct resource before the next formation: MCCS Personal Financial Management Program for financial distress, legal assistance at the base law center for legal or contractual issues, Branch Medical Clinic for health concerns, battalion chaplain for personal and pastoral support, SARC for sexual assault or harassment concerns. The aviation weather officer who hears about a Sgt's crisis from the squadron CO rather than from the SSgt who handled it has a direct conversation about section chief accountability.
  • PRE-DEPLOYMENT READINESS INSPECTION WINDOWThe garrison schedule compresses to a single priority: deploy-ready by the inspection date. The SSgt runs a 90-day calibration calendar, closes every overdue instrument against the pre-deployment readiness standard, completes the traceability documentation audit, finalizes the collective task qualification matrix, and prepares the equipment readiness brief for the station CO. The pre-deployment inspection is not the time to discover a traceability certificate expired eight months ago. The SSgt who identifies and corrects every compliance item before the inspection team arrives is the SSgt who briefs the station CO on a completed readiness posture. The SSgt who discovers the gaps during the inspection briefs the station CO on a corrective action plan — in front of the inspection team.
  • MAJOR EXERCISE / CAX / MEU WORKUPThe section chief's operational tempo compresses and expands simultaneously — more soundings, more equipment load cycles, more maintenance documentation required per day, and less administrative time to execute it. The SSgt manages the operational tempo through the Sgts: which events the Sgts run independently, which ones require SSgt presence, and how the maintenance documentation stays current despite the compressed schedule. The aviation weather officer is seeing the section's performance in real time during a major exercise; the FitRep narrative for the full year is being written during these three to four weeks. The SSgt who keeps the calibration program current, the traceability documentation intact, and the equipment status brief accurate during a high-tempo exercise is the SSgt whose FitRep narrative the aviation weather officer writes at full length.

Weekly Cadence

Monday for the SSgt section chief is a planning and program management day, not a maintenance execution day. The aviation weather officer put out the flight schedule for the week; the maintenance officer published the maintenance priorities; the section chief's job Monday morning is to translate both into a section execution plan that the Sgts can execute without returning to the SSgt for sequencing questions. Spend the first 30 minutes reviewing the calibration due-date board against the week's flight schedule, assessing any work orders that carried over from last week without resolution, and identifying any traceability documentation renewals due in the next 30 days. Brief the Sgts before 0930 with the week's priorities in order: which calibration events are due when, which work orders need specific attention and a resolution deadline, which collective task evaluations are scheduled and who runs them. The Sgts brief the Cpls before 1000. The section that is still constructing the week's execution plan at 1030 is the section the aviation weather officer calls at 1030 to ask why. Tuesday through Thursday is the maintenance execution and documentation rhythm. Calibration runs, PM events, fault isolation and repair, MIMMS work order close-outs — the Sgts manage the execution and the SSgt monitors program-level quality: reviewing work order narratives before they go to QA, checking that post-maintenance functional checks are documented, and verifying that the equipment status board reflects the section's actual operational state after each event. The SSgt's presence on the floor during a complex calibration event — not to run the event, but to observe the Sgt running it and note whether the procedure is being executed to the T&R standard — is the observation that produces the Section A sentence. The administrative layer runs in parallel: FitRep Section A drafts build from counseling notes across Tuesday and Wednesday, monthly pro/con marks are prepared for the end-of-month counseling cycle, and the calibration traceability audit runs in the Friday afternoon window when the maintenance events are complete. Friday closes the week's administrative and maintenance cycles simultaneously. Every work order completed this week is either properly closed in MIMMS with a documented functional check, or properly deferred with a rationale and a resolution date. The calibration due-date board reflects every event completed. The qualification matrix is updated with any T&R tasks evaluated during the week. The traceability certificate file is current against the instrument inventory. The SSgt who walks into the weekend knowing the equipment status, the qualification matrix, and the open maintenance items are accurately documented is the section chief who can answer an unscheduled readiness inquiry from the aviation weather officer at 0700 Monday morning without calling the Sgt first. Field rotations — MCAGCC Twentynine Palms, JWTC Okinawa, MEU PTP — collapse the administrative calendar entirely. The SSgt who stays current on maintenance documentation and FitRep draft inputs during a deployed rotation does catch-up work measured in hours after the unit returns. The SSgt who defers the administrative cycle entirely during the rotation does catch-up work measured in weeks — and the catch-up is visible in the FitRep submission timeline that the aviation weather officer notices.

Key Skills — How to Drill Each

  1. 01
    Advise the aviation weather officer on meteorological equipment program risk — calibration history, equipment service life, AWOS FAA compliance status, and procurement gaps — at the program management level, not just the daily status level.
    The advisory brief is different from the status brief. The status brief answers 'what is the equipment doing right now?' The advisory brief answers 'what is the equipment going to do in the next 90 days and what does that mean for aviation operations?' Build a program-level risk assessment before the aviation weather officer's quarterly equipment review: pull every instrument's calibration history across the last four cycles, identify any instrument trending toward tolerance limits, cross-reference each instrument against the manufacturer's recommended service life and the unit's replacement timeline, and assess the AWOS traceability documentation against the Federal Meteorological Handbook No. 3 calibration standards. The aviation weather officer who receives a risk assessment with a specific recommendation — 'the rawinsonde ground station is past the manufacturer's recommended overhaul interval, I recommend we initiate the depot-level work order this quarter before the pre-deployment readiness window' — is an aviation weather officer who can plan. The aviation weather officer who receives 'no issues to report' every quarter until an instrument fails in the middle of an exercise is an aviation weather officer who is making operational decisions without accurate program data.
  2. 02
    Manage FAA and NOAA calibration traceability documentation for the AWOS equipment program — NIST-traceable reference standard chain, calibration certificates, and compliance record — current and audit-ready at all times.
    The calibration traceability requirement under Federal Meteorological Handbook No. 3 means that every calibration standard the section uses to calibrate AWOS instruments can be traced back to NIST through a documented chain of comparison. In practice: the section's working calibration standards are calibrated against the laboratory reference standards maintained by the supporting calibration facility; those laboratory reference standards are calibrated against NIST-traceable primary standards; each calibration generates a certificate with the calibration date, the reference standard used, the comparison results, and the next calibration due date. The SSgt maintains the section's calibration certificate file in a state where every working standard in use has a current, traceable certificate. Audit the file in the first 90 days of the SSgt billet. The certificate that expired six months ago and was not replaced is the certificate the FAA evaluator finds first. The expired certificate does not mean the calibration was bad — it means the documentation chain is broken, and in the FAA's framework, a broken documentation chain is functionally equivalent to no calibration.
  3. 03
    Write FitRep Section A narratives on Sgts that the reporting senior (aviation weather officer or maintenance officer) can sign and defend at the GySgt board cycle.
    The Section A for a Sgt is a different document than the Section A for a Cpl. The Cpl's Section A describes technical execution — what the Marine did with the equipment, in what operational context, with what measurable result. The Sgt's Section A describes program management and leadership — how the Marine ran the section lead billet, how the section's calibration currency and qualification matrix performed under the Sgt's ownership, what the Sgt did when the aviation weather officer raised a data-quality concern, and how the Sgt developed the Cpls. Draft the Section A from your monthly counseling notes on each Sgt and from the section's maintenance and qualification records for the rating period. 'Sgt [name] served as section lead during the pre-deployment readiness inspection cycle at MCAS Miramar; maintained zero overdue calibrations across an eight-instrument inventory during a 14-week workup with two MEU exercise detachments, identified and corrected a AWOS pressure sensor traceability documentation gap before the FAA pre-inspection review, and developed Cpl [name] to section-chief-candidate qualification standard' is a Section A paragraph. Review the draft with the aviation weather officer informally before the formal submission deadline; the reporting senior who has seen the draft and flagged language issues before the cycle closes is better than one rewriting it on the deadline day.
  4. 04
    Serve as the installation CO's primary advisor on meteorological equipment program readiness — brief accurately, recommend specifically, and flag problems before the CO hears about them from the aviation community.
    At most Marine air stations, the SSgt section chief is the most knowledgeable person in the chain of command about the technical state of the meteorological equipment program. The installation CO may receive equipment readiness data through the maintenance officer or the aviation weather officer, but the data originates with the SSgt. The installation CO who asks 'is the MET equipment program deploy-ready?' should receive an answer that includes: the calibration currency status of the full instrument inventory, any equipment service life or procurement gaps that affect readiness during the deployment window, the section's collective task qualification status against the T&R manual standards, and any AWOS FAA compliance items that are open or approaching a compliance deadline. Prepare a one-page program readiness summary that you update quarterly — not for the CO's benefit alone, but as your own management discipline. The SSgt who cannot produce that summary in 15 minutes at any point in the year is the SSgt who has not been managing the program; the SSgt who produces it without hesitation is the SSgt whose aviation weather officer recommends him to the GySgt board as 'the standard.'
  5. 05
    Develop your Sgts through the SSgt board cycle — composite score management replaced by FitRep portfolio management, PME completion, and B-billet decision advisory.
    At the SSgt tier, Sgt development is no longer about composite score variables and Corporals Course slots. The SSgt board for 5951 is a centralized SNCO board that reads FitRep relative value, PME completion (Sergeants Course), conduct record, and operational profile. Monthly counseling with each Sgt should address: where the current FitRep cycle stands relative to the last cycle's narrative, whether Staff NCO Academy PME is scheduled and on track, what the Sgt's B-billet options are and what the timing looks like relative to the SSgt board window, and whether the operational profile for the current year will produce FitRep content the SSgt board reads as credible. The Sgt who pins SSgt during the SSgt's section chief tour does so because the SSgt identified the FitRep portfolio gap 12 months out, secured the Sergeants Course in-residence slot before the deployment schedule closed the window, and wrote Section A inputs specific enough that the reporting senior endorsed them without revision. That development outcome is the SSgt's GySgt board narrative.
  6. 06
    Coordinate with the FAA Aviation Weather program offices and NOAA NWS field offices on equipment calibration standards, certification requirements, and technical consultation — represent the Marine Corps's meteorological equipment program in interagency technical exchanges.
    The interagency coordination skill is the piece of the SSgt billet that distinguishes a program-level NCO from a senior technician. FAA Flight Standards district offices, NOAA NWS field offices, and regional calibration facilities communicate with the section chief on equipment certification, calibration traceability compliance, and technical support for instrument systems that cross civilian and military standards. Prepare for these exchanges by knowing the relevant sections of Federal Meteorological Handbook No. 1 and No. 3, understanding the FAA's certification requirements for AWOS systems at certified airfields, and maintaining a current contact list at the relevant FAA and NOAA offices. The SSgt who walks into a calibration traceability review with the documentation organized, the compliance gaps identified in advance with a corrective timeline, and a professional knowledge of the applicable standards is the SSgt who represents the Marine Corps favorably. The SSgt who defers technical questions to the aviation weather officer or the maintenance officer in the middle of an interagency technical exchange has communicated that the section chief is not the program's technical authority.

Manuals & References — What Chapters Matter

  • Federal Meteorological Handbook No. 3 — Upper Air Observations (FAA/NOAA/NWS joint publication)
    Own this at program depth, not execution depth. At SSgt, FMH-3 is not the manual you work from when launching a balloon — it is the compliance standard against which the FAA evaluates the section's AWOS calibration traceability documentation, the standard the NOAA NWS liaison references when reviewing upper-air observation quality, and the standard the aviation weather officer cites when a post-flight data-quality question traces to instrument calibration. Know the calibration requirements chapter (equipment calibration intervals, reference standard requirements, traceability documentation requirements) at the section-level detail needed to present the section's compliance posture to an external evaluator without the aviation weather officer interpreting.
  • Federal Meteorological Handbook No. 1 — Surface Weather Observations (FAA/NOAA/NWS joint publication)
    The AWOS program's surface observation compliance framework is anchored in FMH-1. FAA certification requirements for automated surface observing systems reference FMH-1 performance standards. The SSgt who manages the AWOS equipment program without owning FMH-1 is managing the program against half the applicable standard. Surface sensor calibration intervals, AWOS data-quality thresholds, manual observation cross-check requirements — these are FMH-1 requirements, and the FAA evaluator who audits the section's AWOS documentation will cite FMH-1 when a compliance gap exists. Know the document before the evaluator does.
  • NAVMC 3500.xx — MET Equipment T&R Manual (verify current edition and revision with the section chief before assuming the SSgt billet)
    Print the full section T&R task list — individual tasks at every tier and collective tasks at the section level — and walk it against the section's current qualification matrix in the first 30 days as section chief. The collective tasks at the SSgt level define the evaluation criteria for the MAG-level equipment readiness review and the pre-deployment readiness inspection. The SSgt who inherits the section's qualification matrix and discovers unqualified Marines on required collective tasks at the 45-day mark has managed the risk early. The SSgt who discovers the qualification gap when the maintenance officer asks for the pre-deployment readiness assessment has managed it too late.
  • MCO P4790.2C — MIMMS Field Procedures Manual
    At SSgt, MIMMS is a program management and audit tool. The work order pipeline for the section's instruments — open work orders by equipment, by fault type, by time outstanding, by disposition — is the section's maintenance history and the evidence the QA shop uses when auditing the program. An SSgt who monitors the MIMMS pipeline as a management instrument — not just closing work orders but reading what the pattern of work orders says about equipment performance trends — is an SSgt who identifies a degrading sensor series before it becomes a serviceability crisis. Pull the work order history for each instrument class quarterly and look for pattern faults: the same connector on the same instrument type appearing in three successive work orders is a design-level vulnerability that warrants a proactive replacement strategy, not a reactive repair cycle.
  • MCO 1610.7 — Performance Evaluation System (verify current revision on Marines.mil before each FitRep cycle)
    You write FitReps on Sgts whose GySgt board competitiveness depends on the quality of the Section A you produce. Read the current revision of MCO 1610.7 cover to cover before the first FitRep cycle — the relative value placement mechanics at the SNCO tier, the attribute evaluation rubric for SNCOs, the reporting senior and reviewing officer responsibilities, and the adverse material documentation requirements. The FitRep policy has been updated across recent cycles; the SSgt who quotes a superseded policy revision to the aviation weather officer at the FitRep submission deadline is the SSgt who is corrected by the reporting senior in front of the section. Verify the current revision before every cycle.
  • MCO 1400.32 — Marine Corps Promotion Manual (current MARADMIN for 5951 GySgt board)
    The SSgt-to-GySgt promotion path runs through the centralized SNCO selection board with the same mechanics as the Sgt-to-SSgt path, but the pool is smaller and the FitRep relative value weight is more determinative. Read the SNCO board chapter on GySgt board mechanics: what the board reads, how relative value is assessed across a career portfolio rather than a single cycle, what PME completion requirement applies, and what the conduct and operational profile contribute. Pull the current MARADMIN for the 5951 GySgt board before sitting with the aviation weather officer about the GySgt timeline. The SSgt who understands the board mechanics is building the FitRep portfolio deliberately and advising Sgts to do the same.
  • MCO 1000.9 — Enlisted Assignment and Utilization Management (B-billet and special duty assignment policy)
    The B-billet decision at SSgt — DI duty, MSG program, recruiter duty, or deliberate choice to remain in the 5951 section for the GySgt board build — is a policy-governed career management decision. MCO 1000.9 defines the special duty assignment eligibility requirements, the tour lengths, the re-tour limitations, and the assignment preferences mechanisms. The SSgt who understands the B-billet policy before the career planner conversation is the SSgt who arrives with a specific preference and a realistic timeline, not a question about whether B-billets are available for 5951 SSgts.

Standards — How to Hit Each

  • Staff NCO Academy graduate — required PME gate for SSgt and baseline for GySgt board competitiveness; in-residence at Quantico is the standard.
    Schedule the in-residence Staff NCO Academy slot in the first year of the SSgt billet. In a small MOS like 5951, the Staff NCO Academy class at Quantico may have one or two other 5951 SSgts; the in-residence experience builds a professional network across the Marine Corps's technical MOS community that is not replicated by the distance education equivalent. The GySgt board reads PME completion; an SSgt who is not Staff NCO Academy-complete when the board meets is visibly disadvantaged regardless of FitRep quality. If the MEU deployment or a pre-deployment workup consumes the available in-residence window, use the CDET distance education option to close the PME completion requirement — then schedule the in-residence completion at the next available window. Document every schedule conflict through the career planner so the record reflects managed circumstances, not neglect.
  • Section AWOS calibration traceability documentation current and audit-ready — every working standard with a valid NIST-traceable certificate on file, zero expired certificates in use.
    Build a calibration certificate tracking log that mirrors the instrument inventory: every calibration standard the section owns, the standard's serial number, the calibration certificate number, the calibration facility, the calibration date, and the next calibration due date. Update the log the day a new certificate arrives and set a calendar reminder 60 days before each certificate's expiration so renewal is never reactive. The FAA does not schedule calibration traceability audits 60 days in advance; the audit-ready posture is the posture the section maintains as a standing standard, not a pre-audit sprint. The SSgt who completes a full traceability audit in the first 90 days of the billet and identifies every expired or approaching-expiration certificate corrects the program before the inherited problems become the SSgt's problems.
  • FitRep profile for each Sgt in the section managed to GySgt board competitiveness — relative value placement, PME timeline, B-billet decision, and operational profile all tracked monthly.
    Monthly counseling with each Sgt produces more than a pro/con mark at the SSgt tier. It produces a documented conversation about where the FitRep portfolio stands in the GySgt board relative value comparison, what the PME completion status is, whether the B-billet decision has been made and actioned, and what the operational profile for the current year will contribute to the FitRep narrative. The SSgt who discovers a Sgt's Sergeants Course PME gap at the GySgt board cycle is the SSgt who was not managing the development pipeline. The SSgt who surfaced the gap 12 months before the board and secured the Sergeants Course slot over the Sgt's competing operational commitments is the SSgt whose GySgt board FitRep narrative includes a specific development outcome.
  • 1st-Class PFT and CFT under MCO 6100.13 — at section chief rank, fitness is not only personal; it is the section's ceiling signal.
    The section chief who hits 1st-Class on every test is the section chief whose section average trends toward 1st-Class. The aviation squadron health-of-the-force brief that goes to the squadron CO includes section-level fitness data; a section chief scoring 1st-Class while the section average is 2nd-Class is a section chief with a fitness culture problem the aviation weather officer discusses directly. In a five-to-fifteen Marine section, the SSgt's fitness posture is visible to every Marine in the section at every PT formation. The section chief who trains with the section and sets a visible standard is the section chief whose junior Marines compete to meet it.
  • Section T&R collective task qualification matrix fully current — zero lapsed qualifications for section-level tasks required at the pre-deployment readiness standard.
    The collective task qualification standard at the section level is the pre-deployment readiness inspection's primary evaluation criterion for the MET section. Build the qualification matrix for collective tasks — the full upper-air observation cycle, the AWOS emergency backup procedures, the section displacement and equipment recovery drill — and schedule the evaluation events against the operational calendar 90 days out, not 30 days. The pre-deployment readiness inspection does not ask whether the section knows how to run a balloon launch; it asks whether the section can run a balloon launch under the T&R collective task standard with an external evaluator watching. The SSgt who answers 'yes' with a signed qualification matrix answers with evidence. The SSgt who answers 'yes' without one answers with an expectation.

Technical Mistakes — Concrete Consequences

  • Briefing the aviation weather officer 'all instruments FMC, no issues' when a calibration traceability certificate expired three weeks ago and is still in use.
    The FAA evaluator who arrives on a routine AWOS systems review and finds the expired traceability certificate in the calibration file does not distinguish between 'the SSgt did not know' and 'the SSgt knew and did not report it.' Both outcomes produce the same entry in the evaluation report: the section's AWOS calibration traceability program was not in compliance on the date of the audit. The aviation weather officer who endorsed the section's pre-audit readiness briefing and did not know about the expired certificate is the aviation weather officer explaining to the station CO why the compliance finding was not identified internally. The SSgt who surfaces the traceability gap 60 days before the audit and presents the corrective action completed is the SSgt who controls that narrative.
  • Writing a Sgt FitRep Section A as a template — same language, same action verbs, same general framework — rather than from the individual Sgt's actual performance record.
    At the SSgt section chief level, the GySgt board reads FitRep portfolios for patterns. A portfolio where every Sgt's Section A reads with the same structure and similar language is a portfolio that signals the reporting senior that the SSgt wrote from a template, not from monthly counseling notes. The reviewing officer — the aviation weather officer — who sees Section A inputs that do not reflect the specific operational events and training outcomes the officer witnessed during the rating period will revise the inputs before signing, and the revision is visible to the GySgt board as Section A content that required correction. The SSgt whose Section A inputs are accepted unchanged is the SSgt whose reporting senior trusts the evaluation.
  • Letting the section's AWOS calibration traceability documentation lapse because the Sgt said it was handled and the SSgt never verified it.
    The section chief's name is on the program. In a MOS where the SSgt is the senior technical authority and the aviation weather officer is the program's officer representative, the FAA compliance documentation is an SSgt-owned responsibility, not a Sgt-owned task that the SSgt delegates and forgets. 'The Sgt told me it was current' is not a defensible answer to a calibration traceability audit finding. The SSgt who verifies the traceability documentation personally at least once per quarter — 30 minutes reviewing the certificate file against the instrument inventory — catches the gap before the external evaluator does. The SSgt who relies entirely on the Sgt's verbal assurance discovers the gap at the worst possible moment.
  • Delaying the Staff NCO Academy PME slot past the second year of the SSgt billet because the section cannot spare the section chief for four weeks.
    The GySgt board reads PME completion as a baseline requirement. An SSgt who is not Staff NCO Academy-complete when the board meets is visibly disadvantaged in the relative value comparison regardless of every other element of the FitRep portfolio. In a MOS with a small pool of SSgts at each board cycle, one visible qualification gap does not go unnoticed. The section can operate for four weeks under a qualified Sgt section lead with the SSgt on call by phone — the pre-deployment readiness inspection was not scheduled for those four weeks for a reason. If the operational calendar genuinely precludes the in-residence window in year one, complete CDET distance education to satisfy the PME requirement and schedule the in-residence completion for year two. But take the action.
  • Approaching the GySgt board cycle without having made and documented the B-billet decision through the career planner.
    The GySgt board reads the assignment history alongside the FitRep portfolio. An SSgt who has spent the entire SSgt billet in the same 5951 section at the same air station, with no B-billet, no forward deployment, and no operational profile outside garrison, has a one-dimensional FitRep portfolio regardless of how strong the section's calibration program is. The decision not to pursue a B-billet is a legitimate career choice — but it should be a documented decision made through the career planner with a rationale, not an absence of action that the board reads as absence of ambition. The SSgt who sits with the career planner in year two, discusses B-billet options against the GySgt board timeline, and documents the deliberate decision to remain in the 5951 section for program continuity reasons is the SSgt who owns the portfolio's shape. The SSgt who never had the conversation is the SSgt whose FitRep package has a gap with no explanation.

Career Decisions at This Rank

  • Staff NCO Academy in-residence versus CDET distance education — timing and the GySgt board window.
    In-residence Staff NCO Academy at Marine Corps Base Quantico is the standard and the preferred outcome. The professional peer network built at the resident course — SSgts from across the Marine Corps's technical and operational MOS community, evaluated by resident instructors over four weeks of leadership practicum — is not replicated by the distance education equivalent. The GySgt board satisfies PME completion through either pathway, but the in-residence course provides the network, the leadership evaluation, and the residential curriculum that CDET cannot produce. Schedule the in-residence slot in the first year of the SSgt billet. If the MEU deployment cycle or a major exercise rotation consumes the available window, complete CDET to satisfy the PME requirement and schedule the in-residence completion at the next available window — document the conflict through the career planner so the record reflects managed circumstances. The SSgt who has never scheduled the Staff NCO Academy slot by year two of the billet is the SSgt who is managing toward a GySgt board gap, not away from it.
  • B-billet pipeline at SSgt — Drill Instructor duty, Marine Security Guard program, or deliberate choice to remain in the 5951 section for the GySgt board build.
    B-billet special duty assignment at SSgt is a different calculation than at Sgt. Drill Instructor duty at MCRD Parris Island or San Diego is approximately three years; the DI tour identifier is a GySgt board and MSgt board positive marker, and the leadership development produced in a DI tour is distinct from anything the 5951 section produces. The cost: three years away from 5951 technical development, with equipment changes and T&R revisions occurring during the absence. Marine Security Guard assignment at a U.S. embassy is 12-to-36 months in a fundamentally different operational environment; the post-service security clearance credential and the global operational profile are real resume differentiators. The deliberate choice to remain in the 5951 section is also legitimate — in a small MOS, section chief continuity has program management value that a B-billet departure costs, and the GySgt board can be competitive without a B-billet identifier if the FitRep portfolio is strong and the operational profile includes a forward deployment or MEU deployment. But the choice should be documented and deliberate, not a default. Sit with the career planner in year two. Make the decision. Put it in writing.
  • GySgt board candidacy — building the FitRep portfolio deliberately versus hoping good cycles accumulate into a competitive package.
    The GySgt selection board in 5951 is a small pool. In a MOS with fewer active billets than most occupational fields, the board may review a dozen SSgts across the entire Marine Corps at a given cycle. Every SSgt in the pool is visible. The FitRep relative value placement that the aviation weather officer assigns — based on the Section A inputs the SSgt produced — is the primary board input, but it does not stand alone. PME completion, conduct record, deployment and operational profile, and B-billet identifier all contribute. The SSgt who manages all five variables deliberately — Section A inputs that the aviation weather officer signs without revision, Staff NCO Academy PME complete, a clean conduct record, a forward deployment or MEU deployment in the portfolio, and a documented B-billet decision — is the SSgt who is competitive on every element the board reads. The SSgt who manages the FitRep quality carefully but neglects one of the other four variables discovers the gap at the board cycle and waits for the next one. The GySgt board is not where you find out where you stand. It is where you find out whether the work you did over the last three years was enough. Do the work.
  • NOAA/NWS/FAA civilian pipeline timing — start the transition research now versus waiting until the reenlistment window.
    The federal civilian transition for a 5951 SSgt is one of the most defined post-service markets in the enlisted Marine Corps. The GS-6400 meteorological equipment technician series and the GS-1340 meteorologist series at NOAA field offices and NWS Weather Forecast Offices recognize the calibration documentation record, the T&R qualification history, the MIMMS maintenance management experience, and the program management responsibilities of the SSgt section chief billet directly. The FAA Aviation Weather Technician program is a parallel pathway for SSgts with strong AWOS maintenance and calibration credentials. The GS-12 to GS-13 program manager track is accessible to an SSgt with 10-to-12 years of 5951 service and relevant Tuition Assistance coursework in atmospheric science, electronics engineering technology, or a related field. Start the research in the second year of the SSgt billet — pull the current GS-6400 and GS-1340 vacancy announcements, compare the qualification requirements to the current service record, identify the credential gaps, and begin closing them through Tuition Assistance. The SSgt who begins this research at the six-month mark before EAS is making a transition decision under time pressure. The SSgt who has researched the post-service market for two years and made a deliberate decision to reenlist for a GySgt board run is making an informed career choice.
  • Commissioning at SSgt — warrant officer program, MECEP, or ECP versus remaining enlisted to compete for GySgt.
    The Marine Corps does not have an aviation MET equipment-specific warrant officer community; the commissioning pathways at SSgt are the Marine Enlisted Commissioning Education Program (MECEP) for SSgts with college credits, and the Enlisted Commissioning Program (ECP) for SSgts with a bachelor's degree. 5951 SSgts who commission typically enter the ground electronics maintenance and logistics officer community (59xx-series officer MOSs) or a lateral officer occupational field. The honest test: does the SSgt perform better as a technical program manager and senior NCO developer — the section chief role — or as a staff officer writing operations orders, managing equipment programs at the MAG or wing level, and eventually commanding a maintenance squadron detachment? SSgts who stay enlisted and compete for GySgt, MSgt, and eventually SgtMaj make an institutional contribution as technical experts and senior NCO leaders that the officer community cannot replicate. SSgts who commission and build an officer career in maintenance and logistics bring the enlisted technical credibility into officer decision-making roles in a way that direct-commission officers cannot match. Neither path is wrong; both require a more honest self-assessment conversation than most SSgts are willing to have before sitting with the career planner.

How the Seat Varies by Unit Type

  • Active component air station — MCAS Miramar, MCAS Cherry Point, MCAS Beaufort, MCAS Yuma
    The standard SSgt 5951 assignment. Full section infrastructure, complete equipment inventory, an established working relationship between the section and the aviation weather officer, and a flight schedule that drives a predictable operational tempo. The maintenance officer has an established view of the section's equipment program; the aviation weather officer has used the section's products for years. The SSgt inheriting this section inherits both the program and the institutional relationships — audit the calibration documentation and the qualification matrix in the first 90 days, because the inherited program's gaps are the SSgt's responsibility from day one. GySgt board visibility is high at a major air station: the aviation weather officer, the maintenance officer, and the station CO all have a clear picture of the section chief's performance.
  • Forward-deployed — MCAS Iwakuni (III MEF, Indo-Pacific), unaccompanied or dependents-restricted
    Unaccompanied or dependents-restricted assignment for most SSgts (verify current policy — dependents-authorized status at MCAS Iwakuni varies and has changed across recent policy cycles). The operational rhythm includes partner-force exercises with the Japan Air Self-Defense Force, Republic of Korea Marine Corps, and Philippine Armed Forces; typhoon weather support operations that do not exist at CONUS air stations; and the Indo-Pacific contingency response posture that produces MET program requirements distinct from the CONUS garrison environment. FAA calibration traceability requirements apply at Iwakuni's U.S. military AWOS installations under the same framework as CONUS; the NOAA and NWS liaison relationships operate through different regional offices. The SSgt who completes a forward deployment as section chief comes back with a FitRep narrative that names specific joint exercise contexts and international partner-force weather support operations — the GySgt board reads that operational profile as credible in a way that CONUS garrison-only assignments do not provide.
  • MAG or wing-level MET equipment program manager — SSgt assigned as the senior 5951 NCO across multiple squadrons
    A minority of 5951 SSgt billets are program manager positions at the MAG or wing level rather than single-section section chief positions. The program manager SSgt advises the MAG aviation intelligence officer or the wing weather officer on equipment readiness across the command's MET sections, coordinates calibration support across multiple sections, and represents the command's meteorological equipment program to the FAA and NOAA in calibration compliance reviews. The section chiefs at subordinate squadrons may be Sgts. The SSgt program manager's FitRep is written by a field-grade officer, not a company-grade officer, which changes the relative value placement framework. If a program manager billet is available in the assignment cycle, the career planner conversation about it belongs in the first year of the SSgt billet — not when the assignment window opens and the decision has a two-week deadline.
  • MEU BLT as section chief — afloat on ARG shipping
    Section chief on the Battalion Landing Team embarked on amphibious shipping (LHD/LPD/LSD) during a 6-to-7-month MEU deployment. The portable MET equipment package — radiosonde system, portable surface observation package, abbreviated calibration kit — is the section's operational inventory for the duration. Depot-level calibration support is not available on the ship; the SSgt manages the section's calibration program against the calibration equipment embarked, and deferred calibrations are documented as managed risks with resolution planned for the first port with access to calibration support. MEU-SOC mission profiles requiring aviation weather support — TRAP, NEO, helo raid, amphibious assault — are the operational framework. The MEU SgtMaj watches section chief performance during every exercise event and every contingency response posture day. The SSgt who runs a clean MEU deployment as section chief — calibration program managed, documentation current, equipment status brief accurate — comes back with the operational FitRep content that differentiates a competitive GySgt package.
  • Reserve component aviation squadron — weekend drill and annual training cycle
    Monthly drill weekends and annual training periods compress the qualification and maintenance execution timeline to a fraction of the active-component equivalent. The reserve SSgt section chief may be a civilian NOAA field office electronics technician, NWS meteorologist, or FAA Aviation Weather Technician whose civilian credentials complement rather than duplicate the section's military T&R requirement. The GySgt selection board processes reserve and active component records through the same centralized mechanism; the FitRep relative value comparison at the board includes both. Reserve SSgts who are serious about GySgt board competitiveness may pursue active-duty training (ADT) orders to supplement the operational profile. The AWOS calibration traceability requirement applies to the reserve section's equipment program with the same compliance framework as the active-component program — the FAA does not calibrate its compliance requirements to drill-weekend availability.

What Good Looks Like at This Rank

The good 5951 SSgt section chief is the Marine the aviation weather officer calls when the question is whether the section's equipment program can support an extended MEU deployment — not whether today's AWOS is reading correctly, but whether the section's calibration currency, equipment service life, traceability documentation, and T&R collective task qualification status are in a posture to sustain reliable weather product production for seven months with reduced logistics support. The SSgt's answer to that question is not a reassurance. It is a program assessment: which instruments are approaching the end of their service life during the deployment window, which calibrations need to be completed before embarkation, what the traceability documentation status is and what documentation travels with the deployed package, and what the section's collective task qualification currency looks like against the MEU pre-deployment readiness standard. The aviation weather officer briefs the maintenance officer from that assessment. The maintenance officer briefs the station CO. The station CO asks who produced it. The answer is the SSgt. The Sgts in this section are GySgt board candidates, not passengers in the section chief's program. Monthly counseling entries for each Sgt are specific: the FitRep relative value conversation from last cycle, the Sergeants Course slot status, the B-billet decision timeline, and what the current operational year will contribute to the FitRep narrative for the next cycle. The Sgt who pins SSgt during this section chief's tour does so because the SSgt identified the Sgt's PME gap 14 months before the board cycle, secured the Sergeants Course in-residence slot over a competing FIREX rotation, and wrote a Section A in the penultimate rating year that named a specific calibration program outcome — the AWOS traceability documentation audit that the SSgt tasked the Sgt to lead and complete — in language the aviation weather officer signed without revision. The GySgt of the squadron knows this SSgt's name and the context is specific: the section's calibration program has not had a data-quality finding in two years, the Sgt who ran daily operations under this SSgt is competitive for the SSgt board, and the FAA pre-inspection review last quarter produced zero compliance findings. The FitRep Section A inputs on this SSgt's Sgts survive the reviewing officer's review unchanged, not because the language is diplomatic, but because it is accurate and specific. The aviation weather officer who reads the Section A before signing calls the SSgt to confirm one date — not to revise the narrative, to verify the timeline on a specific exercise event cited in the Section A. The section chief whose evaluation inputs generate that response from the reporting senior is the section chief who has built a reputation for honest evaluation across the entire SSgt billet. That reputation is the GySgt board's input before the board ever reads the FitRep stack.

Preview — The Next Rank

GySgt in the 5951 MOS is the master technician and career-field advisor rank — the Marine the regimental or wing SgtMaj calls when a meteorological equipment program question requires a ground-truth assessment, the Marine the aviation weather officer treats as a peer technical authority rather than a subordinate program manager, and the Marine the MOS monitor at MMOA contacts when a 5951 program policy question requires input from the fleet. The transition from section chief to GySgt is the transition from owning a single air station's equipment program to being the institutional memory and technical authority for the Marine Corps's meteorological equipment function across an entire command. The FitRep load at GySgt is different in kind, not just in scale. As SSgt, you wrote Section A inputs on Sgts and the aviation weather officer endorsed them. As GySgt, you advise the aviation weather officer and the maintenance officer on the FitRep relative value placement for every SSgt in the section or across the MAG's MET sections. The GySgt who advises on relative value placement honestly — the SSgt who ran a better program is ranked higher, regardless of the interpersonal relationship — is the GySgt whose aviation weather officer trusts the evaluation framework. The GySgt who ranks based on personal preference or management convenience is the GySgt whose FitRep advisory function is eventually bypassed by the reporting senior. The post-service transition calculus also changes at GySgt. The federal civilian GS-12 to GS-13 senior meteorological equipment program manager positions at NOAA, NWS, and FAA recognize the GySgt's combination of section chief program management, FAA/NOAA interagency experience, and senior NCO leadership credentials. The NOAA Commissioned Corps technical officer pipeline is competitive for GySgts with a bachelor's or master's degree in atmospheric science or a related field. The transition research that should have started in the SSgt billet becomes a concrete plan in the GySgt billet — the civilian opportunity does not wait for the service member to be ready, and the GySgt who has researched the post-service market for four years arrives at the transition window with job applications in progress, not with the USAJobs homepage open for the first time.
FAQ

5951 E6 — Frequently Asked Questions

Q01What does a E6 5951 (Aviation Meteorological Equipment Technician) actually do?
At SSgt you typically hold the section chief or section SNCO billet for the entire MET equipment program at an air station or with a Marine aircraft group.
Q02What's the most important thing to know as a E6 5951?
You are the only Marine on the air station who does this job at the institutional level.
Q03What does a typical day look like for a E6 5951?
Time-blocked day at the E6 5951 rank tier: 0500 Check the section's duty log and group chat overnight — any equipment status changes, personnel issues, or messages from the aviation weather officer or maintenance officer. If a Sgt flagged a sensor anomaly during a late-night sounding, verify it was logged correctly and brief the aviation weather officer before the morning formation, not after, 0530 PT formation. Section accountability to the aviation weather officer or the maintenance officer's formation. The SSgt who is last into formation is the SSgt the officer notes.…
Q04What mistakes get E6 5951 soldiers fired or relieved?
NJP, DUI, or Article 92 violation at SSgt. At the section chief rank, UCMJ action does not affect only the individual — it removes the section's program management continuity, generates a formal fitness report adverse material notation, and in most cases results in administrative separation under MARCORSEPMAN. In a MOS where every aviation MET section in the Marine Corps has a handful of SSgts, a charge sheet is known across the community within days.…
Q05What career decisions matter most at the E6 5951 rank tier?
Staff NCO Academy in-residence versus CDET distance education — timing and the GySgt board window — In-residence Staff NCO Academy at Marine Corps Base Quantico is the standard and the preferred outcome. The professional peer network built at the resident course — SSgts from across the Marine Corps's technical and operational MOS community, evaluated by resident instructors over four weeks of leadership practicum — is not replicated by the distance education equivalent. The GySgt board satisfies PME completion through either pathway, but the in-residence course provides the network,…
Q06What's next after E6 for a 5951 (Aviation Meteorological Equipment Technician) in the Marines?
GySgt in the 5951 MOS is the master technician and career-field advisor rank — the Marine the regimental or wing SgtMaj calls when a meteorological equipment program question requires a ground-truth assessment, the Marine the aviation weather officer treats as a peer technical authority rather than a subordinate program manager, and the Marine the MOS monitor at MMOA contacts when a 5951 program policy question requires input from the fleet.
Q07What manuals and regulations does a E6 5951 need to know cold?
NAVMC 3500.xx — MET Equipment T&R Manual (you now own the section's training program against this; the section chief's authority derives from knowing it cold).; Federal Meteorological Handbook No. 3 — Upper Air Observations and FMH No. 1 — Surface Weather Observations (the procedural standards you enforce and that your FitRep subjects execute against).; MCO P4790.2C — MIMMS Field Procedures (section-chief-level maintenance management — equipment readiness reporting, work order management,…

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Published by the Honest MOS Editorial DeskVerified against DoD/.gov sourcesUpdated May 2026Editorial standards