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MTE6

Missile Technician

E-6 (Staff Sergeant) · Navy

E1–E3E-4E-5E-6E-7E8–E9
HEADS UP

MT1 is the LPO seat. The weapons officer looks at your PMS records the way no surface-warfare LPO has ever had their DCA look at theirs. Every eEVAL you write drives the advancement slate for the next MT2 and MT3 cycle in your division. The Chief selection board is not a distant conversation — your LCPO has the package framework and every eEVAL you write and every safety-certification outcome attributed to your division moves the package forward or backward. The time to understand what a Chief-board-competitive MT1 LPO looks like is at pin-on, not at the 3-year mark.

The Honest MOS Read
Lead Petty Officer of the MT division on an Ohio-class SSBN is the most closely scrutinized enlisted maintenance leadership seat in the United States Navy. The Weapons Department's safety certification cycle — governed through OPNAVINST 8010.13 and the NAVSEA SSP technical authority framework — runs through the maintenance records your division produces. The weapons officer does not periodically check your PMS records; the weapons officer certifies the Weapons Department's readiness against them at every certification cycle. Your name is on that certification posture. You are running between eight and twenty MTs depending on the hull and the patrol complement. The day-to-day load: PMS compliance for the full division — MRC accountability, work authorization trails, deferred item tracking — all at the LPO level rather than the section-lead level. You write four to six eEVALs per cycle, and the eEVAL ranking you assign drives which MT2s and MT3s advance in the next NWAE cycle. The weapons officer reads each eEVAL before signing. The chief reads the ranking logic before endorsing. Your ability to write a defensible eEVAL block — measurable accomplishments, named safety and readiness outcomes, ranking logic that holds up under a weapons officer challenge — is the primary visible indicator of whether you are building a Chief-board-competitive package or drifting. The MCWO watchstander qualification is a baseline expectation at MT1 on hulls where the billet is E-6 eligible. The MT1 LPO who does not hold the MCWO qualification on a hull that permits it is the MT1 the weapons officer is managing rather than relying on. Standing the watch rotation as MCWO is not an occasional occurrence at MT1 — it is how the LPO maintains operational credibility in the compartment and earns the trust that allows the division to function without officer supervision on every evolution. PRP tracking for the entire MT division is an LPO-level responsibility. The division officer owns the reporting chain to the weapons officer; the MT1 LPO is the first human filter between the sailor's circumstance and the division officer's report. A PRP gap in the division that the division officer learns about second-hand — an unreported legal contact, a financial change that surfaced in a background check — is a leadership accountability finding at the LPO level. The MT1 who runs a section of the PRP posture rather than the full division's PRP posture has not made the transition from section lead to LPO. The Chief selection board reads the full eEVAL record the MT1 LPO has built from pin-on. Every certification cycle outcome attributed to the division under your tenure, every MCWO watchstander your division produced, every MT2 whose advancement you supported with a defensible eEVAL ranking — these are the inputs the board uses to differentiate MT1 LPOs who look similar on paper. The LCPO is building the package from what the record shows, not from what the MT1 tells them they did. The MT1 LPO who understands that the Chief board is reading the patrol cycle documentation — the readiness briefs, the certification outcomes, the eEVAL profile — performs differently in the LPO seat than the one who treats the board as something to prepare for after performing.
Career Arc
  • 01MT1 (E-6) pin-on via NWAE — LPO designation immediate; PMS division-level accountability begins at the first readiness brief.
  • 02MCWO qualification held and standing on the watch rotation — on hulls where E-6 billet is available, MCWO is a baseline credential, not a differentiator.
  • 03eEVAL writing — four to six per cycle; ranking logic defensible to weapons officer and LCPO; MT2 and MT3 advancement outcomes measured against the blocks written.
  • 04Division-level PRP tracking — proactive monitoring and reporting cadence; no gaps surfacing to the division officer second-hand.
  • 05Chief selection board package under construction — MCWO qualification, safety-certification outcomes, eEVAL profile, commissioning mentorship record all contributing.
  • 06Senior Enlisted Leadership Course (SELC) or equivalent PME completion — Navy-wide requirement before Chief selection; coordinate timing with LCPO.
Common Screwups
  • ×Briefing PMS or MRC completion numbers the LPO has not personally validated. The weapons officer spot-checks during the safety certification cycle. A discrepancy found there — numbers the readiness brief claimed were complete that the certification audit found were not — carries the LPO's name and creates a certification finding that goes above the ship.
  • ×Letting the division's PRP tracking slip because the patrol tasking is consuming the LPO's management bandwidth. PRP is a command-level accountability item. A PRP gap that surfaces through an outside report rather than LPO disclosure is a credibility event that the weapons officer briefs to the CO. The LPO who was focused on the maintenance bill while the PRP gap developed has answered the wrong question.
  • ×Treating MCWO qualification as something to work toward after LPO duties are settled. On an SSBN the MCWO is the senior enlisted MT watchstanding credential. The Chief selection board reads what you held at the LPO paygrade. An MT1 who spent the LPO tour without the MCWO qualification on a hull where the billet was available has a gap the board asks about.
  • ×Going around the LCPO to the weapons officer or the XO on a maintenance or personnel concern. The chiefs talk. The goat locker hears how the LPO managed the chain, and the Chief selection board feels it. Disagreements with the weapons officer are surfaced through the LCPO in the passageway — not by going directly to the weapons officer with the LCPO out of the loop.
  • ×Signing an eEVAL that does not accurately reflect the sailor's demonstrated performance because 'they are good people.' The MT who receives an inflated eEVAL ranking advances, takes a billet another MT needed, and performs to the actual standard rather than the one the eEVAL claimed. The weapons officer and the chief board eventually sort the record. The MT1 LPO's judgment is recalibrated permanently in that sorting.

A Day in the Life

  • 0530-0630Underway: berthing to chow. Review the week's maintenance schedule and any overnight watch log entries. The MCWO standing the overnight watch leaves the log for LPO review — read it before quarters.
  • 0630-0700Chow. Mental inventory of the division's status: any PRP-relevant observation from yesterday, any section lead who flagged a deferred item, any certification-preparation milestone due this week.
  • 0700-0730Weapons Department quarters — LCPO accountability, plan of the day, LPO confirms division assignments. The LCPO may pull the LPO aside after quarters with the weapons officer's pre-brief note on the readiness brief input or a personnel concern. The LPO knows the division's posture before anyone else asks.
  • 0730-1130Morning maintenance block — LPO oversight. Walk the Missile Compartment during at least one section lead evolution. Review two log entries personally — not every one, but the sections where the LCPO or the weapons officer will look first. If standing MCWO watch, system surveillance and watch log entries run concurrent with LPO oversight.
  • 1130-1230Chow — brief the LCPO on anything that surfaced in the morning block. A maintenance discrepancy, a personnel observation, a deferred item that moved in status — the LCPO knows before the weapons officer asks.
  • 1230-1500Administrative block — eEVAL drafting (when in evaluation cycle), readiness brief preparation, PRP tracking review with section leads. One PQS sign-off session with an MT2 if the afternoon allows. Commissioning mentoring conversation with the MT2 who has the packet in progress.
  • 1500-1600Section lead sync — brief each section lead on their area's status, confirm next-day maintenance assignments, confirm 2PI partner availability. Any PRP-relevant concern from the section leads elevated to the division officer before 1600.
  • 1600-1800MCWO watch rotation if on the bill. Watch log entries current before relief. Or personal time if off watch — eEVAL drafting, correspondence coursework, Chief PME reading (CPO 365 curriculum if in selection zone).
  • 1800-2200Personal time underway. Chief PME study if in the selection zone. Correspondence course work. The LCPO does not chase the MT1 about personal development at this paygrade — the LPO who is seen with professional reading in the evening is the LPO the LCPO is writing the endorsement for.
  • Shore period (refit)PRT — model Good Outstanding if possible, sustain Good High as minimum. Readiness brief preparation for the next patrol cycle. Advanced PQS sign-off work with section leads. Chief PME coursework. TA enrollment or CLEP scheduling. Any personnel actions (NJP input, separation recommendation, PRP administrative processing) with the LCPO and the weapons officer completed before the next patrol check-in.

Weekly Cadence

The MT1 LPO's weekly rhythm is driven by the weapons officer's Friday readiness brief and the LCPO's Wednesday section-lead sync. Monday is the planning day — the LCPO's weekend sync produces the week's priorities, which the LPO translates into section-specific tasking for the Monday quarters brief. The LPO knows by Monday morning which MRC cards are due in each section, which certification-preparation milestones fall this week, and which PRP tracking items require follow-up. Tuesday and Wednesday are the execution core. Section leads run their maintenance evolutions; the LPO walks the Missile Compartment during at least two of the significant evolutions to confirm 2PI compliance, log accuracy, and controlled publication use. The readiness brief input is drafted by Wednesday and provided to the LCPO before the LCPO's Wednesday section sync. If the LCPO revises the input before presenting it to the weapons officer, the LPO learns the standard the next cycle — not the cycle after the weapons officer found the discrepancy. Thursday is the LCPO-sync-prep day. The LPO prepares the full division status — maintenance, watchstanders, PRP, advancement posture — for the LCPO's Thursday sync with the weapons officer. The LPO who walks into the Thursday sync knowing the answers to every question the LCPO might face from the weapons officer is the LPO who does not make the LCPO look unprepared. Friday is brief day. The readiness brief to the weapons officer and the department head is the week's formal accountability moment. The LPO does not attend the brief — the LCPO presents it — but the LPO's name is on every number in it. After the brief, the LPO reviews what the weapons officer questioned and builds that into next week's self-check before the input goes to the LCPO.

Key Skills — How to Drill Each

  1. 01
    Run a division-level PMS program through a deployment and patrol cycle — MRC compliance, deferred items, CSMP input for the weapons officer's weekly readiness brief — with no findings the weapons officer did not already know from the LPO's reporting.
    Division-level PMS ownership means the LPO has visibility on every open MRC card, every deferred item, and every work authorization trail across all section leads. Build a simple tracking system — a paper log or a shared internal tracking sheet, depending on the hull's documentation practice — that shows the division's PMS posture at any point in the patrol cycle. Review it with each section lead at the weekly sync before the LCPO's review. The weapons officer's readiness brief should never contain a deferred item or a discrepancy that the LPO did not already know about, disclose, and explain. The LPO who discovers a maintenance discrepancy during the weapons officer's brief is the LPO who did not own the division's PMS posture.
  2. 02
    Serve as MCWO during operational and maintenance evolutions — system monitoring, 2PI oversight, emergency procedure execution, correct escalation in the required format.
    The MT1 MCWO standing the Missile Compartment watch is the senior enlisted technical authority in the compartment during the rotation. System monitoring per the on-board procedures, alarm response documented in the watch log before the weapons officer queries the watch, 2PI oversight for every maintenance evolution that runs during the watch, and escalation to the weapons officer in the correct format — proactively, before the weapons officer has to ask. The watch log the MT1 writes is the narrative the weapons officer reads when reviewing the certification posture. Write it with the level of completeness that allows the weapons officer to reconstruct the watch without asking a follow-up question.
  3. 03
    Manage PRP status for the entire MT division — proactive tracking, reporting threshold knowledge, flag-and-elevate cadence for emerging issues — with the division officer's confidence that nothing is surfacing second-hand.
    Division-level PRP management at MT1 is not a quarterly review. It is an ongoing awareness of the financial, legal, medical, and behavioral changes in every sailor the LPO is responsible for. Build a cadence: weekly awareness of any significant change visible in the section, monthly review of the full division's disclosure status with each section lead, immediate elevation of any reportable change to the division officer before the background check finds it. The division officer's confidence in the LPO's PRP tracking is built over multiple patrol cycles of no surprises — it is lost in one event where a gap surfaced second-hand.
  4. 04
    Defend the division's readiness brief — PMS completion, deferred maintenance, watchstander qualification currency, PRP status summary — to the weapons officer and department head without having numbers rewritten.
    The readiness brief is the MT1 LPO's formal accountability document presented to the Weapons Department head. Prepare it with the same discipline as a maintenance record — every number validated against the log before the brief, every deferred item disclosed with a reason and a projected completion, every watchstander qualification currency status confirmed current. Present it to the LCPO before the weapons officer sees it. The LCPO who reviews the brief and finds clean numbers presents it; the LCPO who finds numbers requiring correction asks the LPO the question that the weapons officer would have asked — and that question is better answered before the brief than during it.
  5. 05
    Write an eEVAL block the weapons officer can defend at a wardroom board — measurable accomplishments, named safety and readiness outcomes, the language the Chief selection board reads.
    The eEVAL block for an MT2 or MT3 in the division must contain: at least one named safety or nuclear surety outcome with the MT's contribution described specifically (not 'supported' or 'assisted'), at least one readiness metric the MT's section owned (PMS completion rate, certification outcome, watchstander qualification earned), and a recommended advancement input that the weapons officer can justify with what is in the block. 'Outstanding petty officer, highly recommended for advancement' is the block the chief board reads past. 'Led section through NAVSEA Technical Authority certification with zero findings; resulted in Weapons Department achieving highest-ever PMS completion rate this patrol cycle' is the block the board re-reads.
  6. 06
    Mentor an MT2's NWAE or commissioning packet from idea to submission — and counsel honestly when the path does not fit the sailor.
    LPO-level mentoring is the difference between a sailor who submits a competitive packet and a sailor who submits a complete but non-competitive one. Walk through the eEVAL record together — what is there that supports the application, what is missing, what can still be built. Pull the current MILPERSMAN articles for LDO or ECP eligibility and review them with the MT2. Help them understand the LDO ADSO commitment and the life it implies. If the path genuinely does not fit — the sailor wants to separate at 10 years, has a performance record that will not survive the board, or has a family circumstance that makes the post-commissioning requirement unreasonable — say so. The MT2 who submits an LDO packet that the board returns with a non-select, when the LPO could have seen it coming, has been failed by the mentorship.

Manuals & References — What Chapters Matter

  • OPNAVINST 8010.13 series — Strategic Weapons System Safety Review and Certification Program
    The safety certification cycle runs through the MT1 LPO's division records and you defend them to the weapons officer at every cycle. The LPO who cannot brief the OPNAVINST 8010.13 framework — what the certification evaluates, what the finding categories mean, how the audit trail is structured — is the LPO who is surprised by certification findings that a better-prepared LPO would have caught during self-review. Read the current series revision before every certification cycle and confirm the section leads have done the same.
  • NAVSEAINST 8010 series — Strategic Weapons System program policy at NAVSEA level
    The LPO who knows the regulation behind the procedure is the one the weapons officer calls first when an unusual maintenance scenario surfaces. 'What does the NAVSEA instruction say about this?' is the question the weapons officer asks the LPO before calling the NAVSEA Technical Authority representative. The MT1 who can answer it without a research pause has demonstrated the technical authority the LPO seat requires.
  • DoD Directive 3150.02 — DoD Nuclear Weapons Surety Program
    You brief the nuclear surety framework to new MTs in division training and you live it without being briefed. The MT1 LPO who can connect the 2PI requirement, the PRP program, and the work authorization framework back to the DoD-level surety philosophy is the LPO whose division understands why the standards exist — which produces a different quality of compliance than the division that follows the standards because the LCPO requires it.
  • On-board Weapons System controlled publications — division-level reference authority
    The MT1 LPO is the reference point the junior MTs use before they ask the MCWO. The weapons officer expects the LPO to know which manual and which section governs the evolution in question before asking. Being wrong in that answer in front of the weapons officer is a credibility event that persists beyond the conversation.
  • MILPERSMAN — enlisted personnel articles covering advancement, PRP administrative processing, separation, NJP, and commissioning eligibility at LPO visibility
    The MT1 LPO who does not know the MILPERSMAN articles governing NJP, PRP administrative action, and separation procedures is the LPO who is managing a personnel action with the weapons officer's help when they should be managing it independently. The LPO is the first enlisted filter for personnel actions — the advice you give your MT2 before the NJP proceeding, the documentation you build for a PRP administrative action, the separation recommendation you brief to the LCPO — these trace back to whether you understood the MILPERSMAN framework or were guessing at it.
  • OPNAVINST 6110.1 — Navy Physical Readiness Program
    You own the division's physical readiness posture and you model it. The MT1 LPO who is at Satisfactory on the PRT while counseling MT3s about physical readiness has a credibility problem. The standard the LPO sets physically is the standard the division operates to — the sailor who sees the LPO's PRT card at Outstanding knows the LPO is not managing them to a standard the LPO exempts himself from.

Standards — How to Hit Each

  • Chief board packet under construction with the LCPO's eye on every line; eEVAL profile defensible at weapons officer and CO level; SS warfare device current.
    The packet is built from what the record shows, not from what the MT1 intends to accomplish. Pull the current Chief selection board precept when it is published and read it completely — the board has explicit guidance on what it reads, what it weights, and what it discounts. Compare the current eEVAL profile against the precept. Close the gap between now and the board with actions that produce entries in the record, not intentions the LCPO has to advocate for without documentation.
  • Division PMS completion and deferred maintenance input defensible at the weapons officer and department head level every patrol cycle, no surprises.
    The readiness brief is the LPO's report card. Run a self-check the day before every brief: every number validated against the physical log, every deferred item confirmed with the section lead who owns it, every watchstander qualification currency status confirmed personally. The weapons officer who discovers a discrepancy during the brief asks the LCPO where the LPO's internal review was. The LCPO who cannot defend that the LPO reviewed the numbers before the brief has a different problem than a single bad entry.
  • Division PRP tracking current with no gaps surfacing to the weapons officer or CO second-hand.
    Build a simple internal PRP awareness cadence: every week, mentally confirm each section lead's PRP monitoring status for their sailors. Monthly, review the full division's disclosure posture with each section lead. Any emerging concern elevated to the division officer immediately — same day, not end-of-week. The division officer who is informed by the LPO before being informed by a background check or an outside report has a different read on the LPO's reliability than the one who finds out the other way.
  • MCWO qualification held current; standing the watch rotation on hulls where E-6 billet is available.
    Held and standing. The MT1 who earned MCWO at MT2 and has not stood the watch regularly since making MT1 is the MT1 whose watch currency the weapons officer questions at the certification cycle. Standing MCWO regularly at the MT1 paygrade is the demonstration that the qualification is live, not historical.
  • Zero safety or 2PI failures attributed to LPO oversight gaps during your tenure.
    The MT1 LPO sets the 2PI culture in the division by how they execute the standard personally and by what they do when they observe a corner being cut. A 2PI observation — even minor — that the LPO observes and does not address immediately has communicated to the division that the LPO's 2PI standard is conditional. The division's 2PI record during the LPO's tenure is the LPO's record.

Technical Mistakes — Concrete Consequences

  • Briefing PMS or MRC completion numbers that have not been personally validated.
    The weapons officer's certification-cycle spot-check is random and documented. A discrepancy between the readiness brief's claimed completion and the log's actual state carries the LPO's name as the author of the brief. The certification finding goes above the ship with the Weapons Department's name on it and the LPO's record inside it. The LCPO who endorsed the brief asks the LPO whether the numbers were validated before submission.
  • Letting the division's PRP tracking slip because the patrol tasking is consuming the LPO's attention.
    The PRP report is a command-level accountability document. A division PRP gap that surfaces through an outside report — a court record, a background reinvestigation result, a medical provider's disclosure — while the LPO was 'focused on the maintenance bill' is treated as a leadership failure at the LPO level. The CO's question to the weapons officer is whether the LPO maintained PRP program accountability. The weapons officer's answer traces to the LPO's tracking cadence.
  • Treating the MCWO qualification as something to maintain on paper rather than in the watch rotation.
    The Chief selection board reads what qualifications were held and when they were last stood. An MT1 LPO who holds MCWO but whose watch log shows infrequent rotation entries has communicated that the qualification is nominal. The weapons officer who certifies the Weapons Department's watchstander posture reviews the rotation log. Nominal MCWO qualification is a different data point than active MCWO watchstanding.
  • Going around the LCPO to the weapons officer or XO on a maintenance concern.
    The Chiefs' Mess hears how the LPO managed the chain. An MT1 who bypassed the LCPO to approach the weapons officer directly on a division concern has communicated something about how they will manage the chain as a Chief — which is the role they are being evaluated for. The LCPO who found out about it from the weapons officer is the LCPO who writes the Chief-board endorsement.
  • Signing an eEVAL that inflates the sailor's performance because 'they are good people.'
    The inflated eEVAL advances a sailor to a billet where they perform to the actual standard rather than the claimed one. The weapons officer who recommended the eEVAL eventually works with the sailor the eEVAL described. The MT1 LPO who wrote it gets a credibility recalibration that persists through every future eEVAL cycle — the weapons officer now reads every block from that LPO with a discount applied. The Chief board reads the eEVAL profile the LPO built across the patrol tours; an inflated block that does not hold up under scrutiny is the kind of data point the board notices.

Career Decisions at This Rank

  • Chief selection board — is the package competitive and is the record building correctly?
    Pull the most recent Chief selection board precept and read it against the current eEVAL record. The precept is explicit about what the board reads: eEVAL trend (not just recent performance), PME completion, warfare device currency, leadership outcomes (not just assignment history), and the senior-rater endorsement. Compare each precept criterion against the current record. Where the gap is closeable before the board — PME completion, MCWO watch currency, an advanced NEC — close it. Where the gap is not closeable — a thin eEVAL record from the early MT2 tour — acknowledge it, build the narrative around what followed, and let the LCPO craft the endorsement language. The MT1 who understands the board's criteria before the LCPO has to explain them is the MT1 the LCPO is comfortable entrusting with the package.
  • LDO commissioning — apply at MT1 or defer to the post-Chief window?
    LDO selection at E-6 is possible but typically more competitive than at E-7 or E-8, where the service record is deeper. The MT1 who has been building toward LDO since E-5 — college credit via TA, CLEP credits, documented mentorship track record, CO who knows the name and the performance — has a competitive application at E-6. The MT1 who decided to apply after making MT1 and does not yet have the educational credit or the CO relationship is applying from a weaker position. Honest assessment: would the Chief board be a stronger professional platform than the LDO board from the current record? If yes, make Chief first. If the record genuinely supports LDO now, apply. Do not defer indefinitely on the assumption that the application gets stronger with time — it only gets stronger if you are actively building it.
  • Shore duty vs. sea duty billet for the next tour
    MT1 LPOs are managed by NPC (PERS-4) detailers. The next-tour decision involves the detailer, the LCPO, and the sailor's own family and professional priorities. Shore duty at SWFLANT or SWFPAC provides family stability, technical depth at the system level, and the refit-cycle interaction with NAVSEA SSP technical representatives that builds the LPO's technical authority. Sea duty as MT1 LPO on a second hull provides a second set of certification cycles, a second commanding officer's endorsement, and a second patrol record contributing to the Chief package. Most MT1s who are Chief-board competitive have at least one shore-duty SWFPAC/SWFLANT tour in the service record — the technical credibility it builds is visible to the board. Discuss it with the LCPO before the detailer call, not during it.
  • CPO 365 PME and Chief initiation readiness — when to begin and what it actually means
    CPO 365 is the professional military education curriculum the Navy Mess uses in the months before and after the Chief selection board convenes. It is not optional once you are in the selection zone, and the Chief initiation process is not a formality — it is the Chiefs' Mess evaluating whether the selectee is ready to join. The MT1 who understands that initiation is a genuine evaluation of professional standards and cultural fit — not a hazing period to endure — prepares differently than the one who thinks of it as something to get through. Read CPO 365 curriculum materials before you are in the selection zone. The Chief who is asked at initiation whether they have read the material has the right answer or they do not.

How the Seat Varies by Unit Type

  • Ohio-class SSBN, LPO on patrol (Atlantic or Pacific Fleet)
    The LPO seat on patrol is the highest-accountability petty officer billet in the Weapons Department. No surface equivalent comes close to the oversight level the weapons officer maintains over the MT division's maintenance records during a patrol. The MT1 LPO who finds the patrol's maintenance and watchstanding accountability manageable is in the right seat. The one who is constantly behind the pace is in a leadership posture that the weapons officer reads by the second patrol cycle.
  • Ohio-class SSBN, LPO during refit (Kings Bay or Bangor)
    Refit is the most administratively intensive period for the MT1 LPO. Certification preparation, advanced maintenance, SWFPAC/SWFLANT technical representative coordination, eEVAL cycle, personnel actions, and the next patrol's readiness brief preparation all land in the refit window. The LPO who manages the refit window as systematically as the patrol maintenance bill is the LPO whose section enters the next patrol at full readiness.
  • Shore duty — SWFLANT Kings Bay or SWFPAC Bangor, staff or support billet
    Shore-duty MT1s at a Strategic Weapons Facility work at the system component level alongside NAVSEA SSP technical representatives. The technical depth at SWFLANT or SWFPAC is different from the afloat technical depth — component-level inspection, maintenance, and certification support for SSBN hulls before deployment. The MT1 who comes back from a SWFLANT or SWFPAC shore tour to a second afloat LPO billet has a technical vocabulary the weapons officer and the NAVSEA Technical Authority both recognize.

What Good Looks Like at This Rank

The good MT1 LPO is the petty officer the weapons officer trusts to brief the division's safety-certification readiness without a rehearsal. His readiness brief numbers have been self-validated before the LCPO reviewed them. No deferred item in the brief is a surprise to the weapons officer because the LPO surfaced it with a reason and a projected completion date before the brief was assembled. The certification-cycle spot-check finds no discrepancy between the claimed posture and the actual log — not because the LPO prepared specifically for the spot-check but because the maintenance records are always current. His PRP tracking has never produced a surprise at the division officer level. Every reportable change in every sailor's status was elevated before the background check found it or the outside report arrived. The division officer's weekly PRP status input to the weapons officer comes from the LPO's briefing, not from a discovery. That record — multiple patrol cycles, no second-hand disclosures — is the kind of reliability the weapons officer cites in the eEVAL when the Chief board reads what the division officer thought of the LPO. His MT2s are on track for advancement. The eEVAL blocks he writes read action-result-impact with named safety outcomes and readiness metrics. The weapons officer can defend every ranking in the division at the wardroom board because the LPO built the documentation the defense requires. The MT2 who received the LPO's lowest ranking knows why — because the LPO had the honest conversation before the eEVAL was signed, not afterward. The LCPO has the Chief package framework and every patrol cycle adds to it cleanly. The MCWO watch rotation log shows regular entries — not occasional appearances to maintain nominal currency. The commissioning or NEC mentoring the LPO has provided to sailors in the division has produced at least one selectee or one NEC pipeline entry. The CO knows this MT1's name and can describe the performance in specific terms — because the LPO's work has produced documented outcomes the CO briefed upward, not because the LPO asked to be recognized.

Preview — The Next Rank

Chief Petty Officer in the MT rating is a different job than anything you have done. The gold fouled anchors change the relationship with the wardroom, the relationship with the junior enlisted, and the relationship with the weapons officer in ways that the LPO paygrade does not. The LCPO designation — Lead Chief Petty Officer of the MT division — means you are the commanding officer's senior enlisted technical voice for the most scrutinized maintenance environment in the Navy. The weapons officer and the CO look to you as the senior enlisted authority on the Trident II D5 weapons system. That authority is earned over multiple patrol cycles of demonstrated technical credibility, not conferred by the anchors. The Chief seat requires sitting at Weapons Department sync as the senior enlisted technical voice on every maintenance, readiness, and personnel issue. The weapons officer briefs the department head on division readiness using the data you provided — the Chief whose numbers are always clean is the Chief the weapons officer relies on rather than validates. The NAVSEA Technical Authority visit, the SWFPAC/SWFLANT certification cycle, the COMSUBLANT or COMSUBPAC operational assessment — you walk the Missile Compartment ahead of the inspector and find the discrepancy before the inspector does. That is the job. The eEVALs you write as Chief drive the MT1 and MTC advancement slate across the rate's pool. The Chiefs' Mess dynamics on a submarine are visible in ways a surface ship goat locker is not — the wardroom and the enlisted community both read the health of the mess. And the next career step — Senior Chief, then potentially command Master Chief on a submarine — is built from what the patrol record shows the Chief building, not from what the Chief intends to build.
FAQ

MT E6 — Frequently Asked Questions

Q01What does a E6 MT (Missile Technician) actually do?
You are the Lead Petty Officer (LPO) of the MT division — the senior enlisted daily manager of Missile Compartment maintenance, watch scheduling, PMS compliance, and personnel readiness on an Ohio-class SSBN.
Q02What's the most important thing to know as a E6 MT?
MT1 is the LPO seat.
Q03What does a typical day look like for a E6 MT?
Time-blocked day at the E6 MT rank tier: 0530-0630 Underway: berthing to chow. Review the week's maintenance schedule and any overnight watch log entries. The MCWO standing the overnight watch leaves the log for LPO review — read it before quarters, 0630-0700 Chow. Mental inventory of the division's status: any PRP-relevant observation from yesterday, any section lead who flagged a deferred item, any certification-preparation milestone due this week, 0700-0730 Weapons Department quarters — LCPO accountability, plan of the day, LPO confirms division assignments.…
Q04What mistakes get E6 MT soldiers fired or relieved?
Briefing PMS or MRC completion numbers the LPO has not personally validated. The weapons officer spot-checks during the safety certification cycle. A discrepancy found there — numbers the readiness brief claimed were complete that the certification audit found were not — carries the LPO's name and creates a certification finding that goes above the ship; Letting the division's PRP tracking slip because the patrol tasking is consuming the LPO's management bandwidth.…
Q05What career decisions matter most at the E6 MT rank tier?
Chief selection board — is the package competitive and is the record building correctly? — Pull the most recent Chief selection board precept and read it against the current eEVAL record. The precept is explicit about what the board reads: eEVAL trend (not just recent performance), PME completion, warfare device currency, leadership outcomes (not just assignment history), and the senior-rater endorsement. Compare each precept criterion against the current record. Where the gap is closeable before the board — PME completion, MCWO watch currency, an advanced NEC — close it.…
Q06What's next after E6 for a MT (Missile Technician) in the Navy?
Chief Petty Officer in the MT rating is a different job than anything you have done.
Q07What manuals and regulations does a E6 MT need to know cold?
OPNAVINST 8010.13 series — Strategic Weapons System Safety Review and Certification Program; the safety certification cycle runs through your LPO records and you defend them to the weapons officer at every cycle.; NAVSEAINST 8010 series — Strategic Weapons System policy at NAVSEA level; the LPO who knows the regulatory framework is the one the weapons officer calls first when an unusual maintenance scenario surfaces.; DoD Directive 3150.02 — DoD Nuclear Weapons Surety Program;…

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