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91GE5

Fire Control Repairer

E-5 (Sergeant) · Army

E1–E3E-4E-5E-6E-7E8–E9
HEADS UP

You own the section now. The warrant officer advises on materiel management; you run the bench, train the technicians, and sign the dispatch. Your section's MRO data is the data the maintenance officer briefs at the BUB — if it is wrong, the readiness report is wrong, and the battalion commander's decision is based on fiction. ALC should be on your timeline; the 948B packet should be more than a conversation.

The Honest MOS Read
You are the section NCOIC of a fire control section inside a maintenance company, an HHC maintenance platoon, or a Field Maintenance Team attached to an ABCT. The section has three to five soldiers — a mix of SPCs and PVTs — and you are responsible for their technical output, their training, their counseling, and their professional development. The warrant officer handles the materiel-management side of the shop; you keep the bench honest. The daily work has shifted from doing the repair to managing the repair and training the soldiers who do it. You still diagnose faults — the section NCOIC who cannot run a fault-isolation procedure has lost the credibility to teach it — but you spend more of your day on the production board, the MRO queue, the parts pipeline, and the calibration schedule. You brief the section's status at the company production meeting every morning: how many open MROs, what is waiting on parts, what is in calibration, what is the projected closure timeline. The maintenance officer and the company commander hear your section's name attached to your data. If the data is clean and the timelines are honest, you are trusted. If the data is inflated or the timelines are fiction, you are exposed the day the battalion S4 audits the GCSS-Army report. Classified media accountability is no longer just a handling task — it is a management responsibility. You are accountable for your section's compliance with AR 380-40 on all classified FCS software media. That means you verify the checkout/check-in log, you conduct the periodic inventory, and you sign the accountability report. A COMSEC incident in your section generates a report that goes above battalion and the investigation looks at the section NCOIC's compliance program first. The TMDE program is yours. Every instrument in your section — DMMs, oscilloscopes, torque wrenches, boresight devices — must be calibrated on schedule per AR 750-43. You track the calibration dates, you submit instruments to the calibration lab, and you verify that no technician uses an out-of-cal instrument. One lapse invalidates every measurement taken during the window, and the re-work cascade (re-verifying every boresight and function check performed with the lapsed instrument) can cost your section a week of production. The NCO side of the job is as important as the technical side. You write counseling statements monthly for every soldier in your section. Not verbal counselings — written, documented, signed. When the company commander asks 'where is the counseling trail?' for a soldier whose work quality is slipping, the answer has to be 'here, sir — and here is the corrective training plan I implemented.' You write NCOERs if you have SGTs under you (rare in a small section, but possible), and your own NCOER is written by the platoon sergeant or the shop chief against the standards you set for the section. The ALC window opens at E-5. ALC for the 91-series electronics maintenance track is the schoolhouse that transitions you from section NCOIC to shop-chief-ready. Complete it within the eligible window. The 948B Warrant Officer packet should be more than a conversation by now — the technical record should be documented, the letters of recommendation should be in progress, and the maintenance warrant should be reviewing your application outline. If you are not going 948B, you are going SSG — which means running a shop, not a section, and the load doubles.
Career Arc
  • 01E-5 / SGT — section NCOIC, fire control section (3-5 soldiers). First formal leadership position with counseling, training, and evaluation responsibilities.
  • 02ALC nomination and completion — the gate to SSG. Complete it within the eligible window; do not let it slide.
  • 03First NCOER cycle as the rated NCO — the evaluation that follows you to the SSG board. Bullets must be measurable: MRO closure rate, NFF rate, soldiers trained and certified, TMDE managed.
  • 04TMDE program ownership — all section instruments calibrated on schedule per AR 750-43. One lapse invalidates a production window.
  • 05COMSEC/classified media accountability at the section level — AR 380-40 compliance is your signature, not your technician's.
  • 06948B Warrant Officer packet active preparation — technical record documented, letters of recommendation in progress, maintenance warrant reviewing the application.
  • 07E-6 / SSG board — shop chief with a fire control shop and multiple sections to run.
Common Screwups
  • ×Counseling soldiers verbally only. When the company commander asks for the trail and there is nothing on paper, you have failed the most basic NCO documentation requirement — and the soldier who needed corrective action is now your credibility problem.
  • ×Letting ALC slide because the shop is too busy. The eligible window is not infinite, and missing it delays your SSG timeline. The shop will survive your absence for the ALC course; it will not survive having a permanent E-5 who never progressed.
  • ×COMSEC negligence at the section level — letting a soldier sign out classified FCS software media without following the checkout procedure because the timeline is tight. The COMSEC incident report that follows has your name on it as the section NCOIC, not the soldier's.
  • ×DUI at the NCO level — a DUI at E-5 is a career-ender in most commands. UCMJ action, GOMOR, flag, and a promotion freeze that effectively terminates your NCO trajectory.
  • ×Losing physical fitness discipline because the bench keeps you sedentary. An E-5 flagged for body composition or ACFT failure is an NCO who cannot lead the section PT formation, and the section stops taking him seriously.

A Day in the Life

  • 0530-0600Pre-formation preparation — review the day's production schedule, check GCSS-Army for overnight MRO updates or parts receipts, prepare your section brief for the morning production meeting.
  • 0600-0700PT formation and company PT. You lead section PT when the platoon breaks into sections for training days. Your ACFT score sets the standard.
  • 0700-0830Hygiene, breakfast, uniform change. Pull the GCSS-Army MRO aging report and update your color-coded section status tracker.
  • 0830-0930Company production meeting — you brief your section's status: open MROs, parts on order, calibration due dates, projected closure timelines, technician availability. The maintenance warrant and company OIC ask questions; your data has to be current and defensible.
  • 0930-1030Section task assignment and bench work. Assign tasks to your junior 91Gs, verify they have the correct TM sections tabbed, confirm their instruments are calibrated. Begin your own fault-isolation task or supervise a complex procedure.
  • 1030-1045Break — check parts status, verify tool accountability, quick huddle with the junior techs on any issues from the morning's bench work.
  • 1045-1200Continue bench work and supervision. Walk the section's bench positions and check work in progress. Verify function-check results before allowing MRO closure. Review fault-isolation documentation for completeness.
  • 1200-1300Lunch. Quick check of the afternoon's TMDE calibration schedule and any contact-team taskings from the maintenance warrant.
  • 1300-1430Afternoon production — LRU installation and function checks on completed repairs, on-vehicle boresight verification if a tank or Bradley is in the bay. Supervise junior techs on procedures they are certifying on.
  • 1430-1530Sergeant's Time Training or section training — run a TM-based task certification for the junior 91Gs, or conduct a COMSEC handling refresher per the unit SOP. Document training in the section training file.
  • 1530-1630End-of-day administration — close completed MROs with calibration data and supervisor signatures, turn in tools, secure classified media per COMSEC SOP, update the section status tracker for tomorrow's production meeting.
  • 1630-1700End-of-day formation — first sergeant's announcements, next-day schedule, counseling appointments if scheduled.
  • 1700-1900Personal time — dinner, gym. Monthly counseling write-ups happen in the evenings if you did not finish them during the duty day. The 948B packet documentation is an evening project.
  • 1900-2100Personal time — gym, study, family. ALC preparation if the class date is approaching. 948B packet assembly if actively preparing.

Weekly Cadence

Monday opens with the extended company production meeting and the section NCOIC's weekly brief. Your GCSS-Army MRO aging report, TMDE calibration tracker, and parts-pipeline summary are the three documents you bring to the meeting. Tuesday through Thursday is core production — bench work, fault isolation, LRU swaps, function checks, and the training events you embed into the production cycle (a 30-minute task certification here, a COMSEC handling refresher there). Friday morning is production; Friday afternoon is maintenance stand-down, tool inventory, shop cleanup, and counseling. The monthly rhythm overlays the weekly one. Monthly counseling for every soldier in the section happens on the calendar — not when you remember. The TMDE calibration audit runs monthly. The COMSEC inventory runs per the unit SOP schedule (monthly or quarterly). The maintenance warrant's quarterly training review looks at your section's training file and asks what tasks your soldiers certified on this quarter. When the brigade gunnery cycle opens, the weekly cadence compresses into a gunnery-support surge. Pre-gunnery boresight verification across the battalion fleet, contact-team deployment to the range, and rapid-response fault isolation between gunnery tables. You may run a contact team of two soldiers at the range for the duration of gunnery — two weeks of 12-hour days, on-call overnight, no guaranteed weekends. The section's garrison discipline — TM compliance, TMDE calibration, COMSEC accountability — is what carries through to the field. If it was loose in garrison, it breaks in the field.

Key Skills — How to Drill Each

  1. 01
    Build and defend a section maintenance production schedule — open MROs, LRUs on order, scheduled services, technician availability — against the company maintenance production board.
    Print the GCSS-Army MRO aging report every Monday morning. Color-code it: green (on track), amber (approaching deadline), red (overdue). Brief it at the production meeting with projected closure dates and the parts status on every open requisition. The maintenance officer does not want surprises — he wants honest data and realistic timelines. If a closure date is going to slip, say so at the meeting, not after it slips.
  2. 02
    Run a field-maintenance package at NTC/JRTC — FMT operations, contact teams, on-vehicle boresight correction under tactical conditions.
    Build the FMT packing list 30 days before the rotation. Verify every instrument's calibration date against the rotation timeline — if an instrument comes due during the rotation, get it calibrated before you leave. Brief your technicians on the contact-team SOP: what goes in the contact-team vehicle, what tools to carry, what TM sections to have tabbed. At NTC the fault timeline is measured in hours, not days.
  3. 03
    Conduct section-level TMDE calibration audits and maintain calibration records per AR 750-43.
    Keep a master TMDE tracker — instrument, serial number, calibration date, due date, responsible technician. Review it weekly. Submit instruments to the calibration lab two to three weeks before the due date. When an instrument comes back from calibration, verify the calibration certificate matches the serial number before putting it back in service. One mislabeled certificate can cascade into a re-verification nightmare.
  4. 04
    Mentor two junior 91Gs through GCSS-Army proficiency, TM discipline, and fault-isolation methodology.
    Assign each junior 91G a progression plan: first they observe, then they perform under direct supervision, then they perform under indirect supervision, then they perform solo with after-action review. Document each stage in their counseling packet. The section's fix rate is their training record — when the maintenance warrant sees a section with low NFF returns, he is looking at the section NCOIC's training program.
  5. 05
    Write defensible counseling statements on technical performance.
    Write specific, measurable bullets: 'Closed 12 fire control MROs with documented fault-isolation trails, zero re-work actions, within a 72-hour closure window' — not 'did a good job on the bench.' The counseling should describe what happened, what the standard was, how the soldier met or missed it, and what the corrective action or recognition is. The company commander reads counseling packets before boards.
  6. 06
    Advise the platoon leader and company maintenance OIC on fire control readiness across the battalion's fleet.
    Translate bench data into readiness language. The LT does not need to know the fault code; he needs to know how many tanks can shoot, how many cannot, when the parts arrive, and what the risk is for the gunnery calendar. Frame your brief in terms the maintenance officer can defend at the BUB: 'Four of 14 Abrams have open fire control faults. Two are parts-on-order with a 10-day ETA. Two are in fault isolation — estimated closure in 48 hours.'

Manuals & References — What Chapters Matter

  • AR 750-1 — Army Materiel Maintenance Policy; AR 710-2 — Supply Policy Below the National Level.
    At E-5 you are managing parts requisitions and supply transactions, not just requesting them. AR 750-1 tells you how the maintenance system works at the organizational level; AR 710-2 tells you how the supply system feeds it. When the LRU you need is backordered and the supply sergeant says 'nothing I can do,' knowing the lateral-transfer and cross-leveling options in these regulations gives you something to bring to the production meeting.
  • AR 750-43 — Test, Measurement, and Diagnostic Equipment (TMDE).
    The TMDE program is your responsibility now. AR 750-43 is the regulation you cite when the company commander asks why you are sending three instruments to the calibration lab the week before gunnery. The answer: because AR 750-43 says out-of-cal instruments invalidate every measurement taken during the lapsed period, and the gunnery boresights depend on calibrated instruments.
  • AR 623-3 + DA PAM 623-3 — NCOER.
    You write evaluations now. Your NCOER bullets must be measurable — MRO closure rate, fleet readiness contribution, soldiers trained and certified, TMDE managed. Read the pamphlet's section on bullet construction before your first NCOER cycle. The SSG board reads your bullets and compares them to every other SGT in the CMF.
  • AR 380-40 — COMSEC Material Safeguarding Policy.
    COMSEC accountability at the section level is your signature. AR 380-40 governs how your section checks out, uses, and returns classified FCS software media. Read the sections on custodian responsibilities and incident reporting procedures — because if an incident occurs, the regulation defines what happens next, and you need to know it before it happens, not after.
  • ATP 4-33 — Maintenance Operations; ATP 4-90 — Brigade Support Battalion.
    These are the doctrinal frameworks your section operates within. ATP 4-33 covers maintenance operations at the company level; ATP 4-90 covers the BSB structure. When you deploy an FMT to a CTC rotation, your contact-team operations are governed by the procedures in these publications. Read the field-maintenance-team sections before your first rotation as section NCOIC.
  • TC 7-22.7 — The Army NCO Guide; ADP 6-22 — Army Leadership.
    You are an NCO now. TC 7-22.7 is the institutional framework for what that means — counseling, training, evaluation, professional development. ADP 6-22 defines the leadership attributes and competencies the NCOER evaluates you against. Read both once and reference them when you need to frame a counseling or a training plan.

Standards — How to Hit Each

  • ALC complete within the eligible window.
    Track your ALC eligibility date and push the company for a class slot. ALC for the 91-series electronics maintenance track covers GCSS-Army management, CMDP inspection preparation, TMDE program oversight, and the leadership curriculum that prepares you for shop chief. Do not let the shop's operational tempo become the excuse for missing the window.
  • Section MRO closure rate at or above the company average, with zero documented re-work actions attributable to procedural non-compliance.
    Track your section's closure rate weekly against the company average. When a re-work action occurs, investigate the root cause: was it a skipped TM step? A bad diagnosis? An out-of-cal instrument? Document the finding and implement the corrective training. The maintenance warrant reads the re-work data and knows which section NCOIC is training his techs and which one is hoping for the best.
  • TMDE calibration 100% current across all instruments the section holds.
    No exceptions. Build the calibration schedule into your section's weekly rhythm: every Monday, check due dates against the calendar. If an instrument is coming due within 21 days, it goes to the lab. The cost of a calibration trip is a few hours of lost instrument availability. The cost of a lapse is re-verifying every measurement taken during the window.
  • NCOERs written in measurable bullets.
    Write bullets that the SSG board can compare: 'Section closed 47 fire control MROs at a 96% on-time rate with zero NFF returns; trained and certified 3 junior 91Gs on M1A2 GPS fault-isolation procedures.' The board sees hundreds of NCOERs. The ones that stand out have numbers, not adjectives.
  • ACFT 540+; section fitness on the company-level slide.
    You lead the section's PT when the platoon breaks into sections for training. If your ACFT score is below the soldiers you lead, the section notices. 540 is the floor; 560 is the goal. The E-5 who is visibly fit leads from the front; the E-5 who is not loses credibility that no amount of technical excellence replaces.

Technical Mistakes — Concrete Consequences

  • Counseling soldiers verbally without documentation.
    When the section's work quality degrades and the company commander asks 'where is the counseling trail?' — the answer cannot be 'I told him.' The lack of documentation means you cannot prove you trained the soldier, you cannot justify progressive action, and the company commander's confidence in your leadership erodes.
  • Signing the dispatch on a system whose function check was performed by a soldier you have not verified can do it correctly.
    The tank that fails crew gunnery qualification has your name in the maintenance record as the NCO who dispatched it. The fault-isolation trail (or lack of one) traces back to the soldier you signed off on. The maintenance warrant asks one question: 'Did you verify his work?' If the answer is no, the counseling conversation is about you, not the soldier.
  • Hiding a TMDE calibration lapse to fix it quietly before the next inspection.
    The calibration window is on the books. Every measurement taken during the lapse is suspect. If the warrant officer or the CMDP inspector finds the lapse after you concealed it, the issue is no longer a calibration problem — it is an integrity problem, and NCOs do not survive integrity problems.
  • Letting a talented junior 91G run fault isolation on a system outside his documented training progression.
    The mis-diagnosed fault costs an LRU replacement from a tight Class IX budget. The MRO shows a soldier performing a task he was not trained or certified on, and the section NCOIC who authorized it shares the accountability. Build the training progression first; let the soldier run the procedure only after the documented certification.
  • Neglecting the 948B Warrant Officer packet conversation with an E-4 who is technically gifted.
    The 948B Electronics Maintenance Warrant Officer path is one of the strongest technical careers in the Army support community. A gifted SPC who misses the window because no one pushed the conversation is a wasted asset. Mentor the packet the way you mentor the bench: with structure, documentation, and honest feedback.

Career Decisions at This Rank

  • Push the 948B Electronics Maintenance Warrant Officer packet or stay on the NCO track toward SSG.
    This is the fork in the road. The 948B path is a technical leadership career — a Warrant Officer who advises battalion and brigade commanders on electronics and fire control maintenance, manages the TMDE program at echelon, coordinates with TACOM and AMC on depot-level repairs, and runs the unit's electronic maintenance posture. The NCO track leads to SSG shop chief, SFC platoon sergeant, and eventually 1SG — a broader leadership career with less technical depth. Both are legitimate. The question is whether you want to go deeper technically or wider as a leader. Talk to both a 948B warrant and a senior 91G SFC before deciding.
  • Re-enlist for SSG-eligible assignment or ETS and go civilian.
    At E-5, your civilian market value has increased. Defense contractor FSR positions for experienced fire control NCOs pay well above E-5 base pay plus BAH. Leonardo DRS, L3Harris, BAE Systems, and General Dynamics all hire former 91G NCOs with documented platform experience. The trade-off: the contractor job is a job; the Army at SSG and above is a career with retirement, healthcare, and institutional purpose. If you re-enlist, request an ABCT assignment that builds the bench depth for either the 948B packet or the SSG board.
  • Request ALC at the earliest window or wait for a 'better time.'
    There is no better time. The shop is always busy. ALC for the 91-series electronics maintenance track is the schoolhouse that transitions you from section NCOIC to shop chief. Missing the window delays your SSG timeline and tells the promotion board you were not ready — even if the real reason was operational tempo. Push for the earliest available class date.
  • Pursue the Maintenance Senior Sergeants Course at Aberdeen Proving Ground as a differentiator.
    This course is not required for SSG, but it is a differentiator on the promotion board and a significant credential for the 948B packet. It deepens your understanding of the maintenance enterprise at echelons above brigade — how TACOM and AMC manage the fire control fleet, how depot-level repair cycles work, and how the Army's modernization programs affect the unit-level maintenance mission. If you can get a slot, take it.
  • Stay in fire control or reclass to a sister MOS (94E Radio Equipment Repairer, 35T MI Systems Maintainer).
    91G is a small MOS with a clear technical identity. Reclassing to 94E broadens your electronics maintenance scope (radio, SIGINT ground equipment) and the senior-NCO consolidation at SFC means 91G and 94E converge anyway. Reclassing to 35T puts you in the MI community with a different career trajectory and a different clearance requirement. Both have merits; both trade depth for breadth. If you are happy on the fire control bench and the 948B path interests you, staying 91G is the cleaner route.

How the Seat Varies by Unit Type

  • ABCT BSB maintenance company — Fort Cavazos, Fort Bliss, Fort Stewart, Fort Riley, Fort Carson
    The section NCOIC role in an ABCT BSB maintenance company is the 91G's signature billet. You manage the fire control bench for the entire brigade's M1A2 and M2A3 fleet. The MRO volume is high, the fault variety is wide, the parts pipeline is complex, and the senior leadership (maintenance warrant, company OIC, BSB commander) is in your shop regularly. This is the assignment where the production-board discipline, the TMDE management, and the NCO fundamentals (counseling, training, evaluation) either come together or fall apart visibly.
  • ABCT Forward Support Company (FSC)
    A section NCOIC in the FSC runs a smaller section with fewer technicians but more direct interface with the line battalion. The BC and the motor sergeant know your section's output by name. The pressure is immediate and personal. The trade-off: less mentorship from senior 91Gs, less parts-flow support from the BSB supply chain, and more improvisation when the part you need is two echelons away.
  • CTC rotation FMT (NTC / JRTC / JMRC)
    As section NCOIC you run the fire control element of the FMT or a contact team deployed forward. This is the tactical application of everything you built in garrison — TM discipline, TMDE management, COMSEC accountability, technician training — under fatigue, time pressure, and austere conditions. The two-week CTC rotation is the most consequential evaluation of your section's readiness outside of an actual deployment.
  • Training base / schoolhouse (Aberdeen Proving Ground)
    An instructor billet at Aberdeen at E-5 is rare but possible. The role builds deep curriculum-level knowledge and forces you to articulate fire control theory at a level most bench techs never reach. The trade-off: no operational fleet, no production board, no MRO queue — the hands-on currency fades while the teaching skill sharpens. Best suited as a one-tour broadening assignment before returning to an ABCT.
  • Division or corps-level electronics maintenance cell
    Rare for E-5, but some divisions maintain an electronics maintenance cell at the division sustainment brigade level. The work is more oversight than bench — tracking fleet-wide fire control readiness data, coordinating TACOM LAR reach-back, managing TMDE programs across multiple BCTs. The experience is valuable for the 948B packet, but you may miss the hands-on bench work.

What Good Looks Like at This Rank

The good SGT 91G runs a section the company maintenance OIC names in the production-board slide without caveat. His MRO data is clean — closure rates are tracked weekly, fault-isolation trails are attached to every MRO, NFF returns from depot are near zero, and the parts pipeline status is current enough that the supply sergeant trusts it without verification. When the battalion S4 builds the gunnery readiness brief, the fire control section's data is the data that does not need an asterisk. He trains his technicians the way a good instructor trains students: structured progression, documented certification, specific feedback. The SPC who works in his section for 12 months comes out of it with bench habits that survive the next section NCOIC change — because the habits were built on the TM procedure, not on one person's preferences. His counseling packets are documented, specific, and defensible. When the company commander asks about a soldier's performance trajectory, the SGT hands over a file, not an opinion. The maintenance warrant is already watching him for the 948B packet — not because the SGT asked, but because the warrant can see the technical record building itself: TMDE management, COMSEC accountability, fleet readiness contribution, training output. The section chief at the brigade maintenance synchronization meeting mentions his section's boresight numbers as the benchmark. And the Leonardo DRS field-service rep who worked alongside the section during the last gunnery told the company commander, quietly, that the SGT could do the FSR's job tomorrow if he wanted to — which is exactly the kind of endorsement that shows up in a 948B recommendation letter.

Preview — The Next Rank

At E-6 you are the shop chief. The section becomes the shop: 10 to 15 technicians across multiple weapon-system fire control families, multiple SGTs running sections under you, and a GCSS-Army production board that you build and defend at the brigade maintenance synchronization meeting. The shift from section NCOIC to shop chief is the shift from managing one bench to managing a maintenance enterprise. The CMDP inspection is yours to prepare for and yours to answer for. Every TM compliance record, every TMDE calibration certificate, every COMSEC accountability report, every MRO with a clean fault-isolation trail — the Command Maintenance Discipline Program inspection checks all of it, and the findings land on the shop chief. The SSG who walks the CMDP inspector through a clean shop earns the trust the BSB commander needs to leave the electronics maintenance shop alone. The 948B Warrant Officer packet is either submitted or deliberately set aside at E-6. If you are going 948B, the SSG window is the optimal submission point — you have the technical depth, the leadership record, and the maintenance warrant's endorsement. If you are staying NCO-track, you are building toward SFC platoon sergeant — which means running a platoon, writing NCOERs that move promotion boards, and advising at the BSB staff level on the entire electronics-maintenance family. Either way, the SSG billet is where the command decides whether you are a maintainer who leads or a leader who maintains.
FAQ

91G E5 — Frequently Asked Questions

Q01What does a E5 91G (Fire Control Repairer) actually do?
You run a 3-5 soldier fire control section inside a maintenance company, an HHC maintenance platoon, or a Field Maintenance Team (FMT) attached to an ABCT.
Q02What's the most important thing to know as a E5 91G?
You own the section now.
Q03What does a typical day look like for a E5 91G?
Time-blocked day at the E5 91G rank tier: 0530-0600 Pre-formation preparation — review the day's production schedule, check GCSS-Army for overnight MRO updates or parts receipts, prepare your section brief for the morning production meeting, 0600-0700 PT formation and company PT. You lead section PT when the platoon breaks into sections for training days. Your ACFT score sets the standard, 0700-0830 Hygiene, breakfast, uniform change. Pull the GCSS-Army MRO aging report and update your color-coded section status tracker,…
Q04What mistakes get E5 91G soldiers fired or relieved?
Counseling soldiers verbally only. When the company commander asks for the trail and there is nothing on paper, you have failed the most basic NCO documentation requirement — and the soldier who needed corrective action is now your credibility problem; Letting ALC slide because the shop is too busy. The eligible window is not infinite, and missing it delays your SSG timeline. The shop will survive your absence for the ALC course; it will not survive having a permanent E-5 who never progressed;…
Q05What career decisions matter most at the E5 91G rank tier?
Push the 948B Electronics Maintenance Warrant Officer packet or stay on the NCO track toward SSG — This is the fork in the road. The 948B path is a technical leadership career — a Warrant Officer who advises battalion and brigade commanders on electronics and fire control maintenance, manages the TMDE program at echelon, coordinates with TACOM and AMC on depot-level repairs, and runs the unit's electronic maintenance posture. The NCO track leads to SSG shop chief, SFC platoon sergeant, and eventually 1SG — a broader leadership career with less technical depth. Both are legitimate.…
Q06What's next after E5 for a 91G (Fire Control Repairer) in the Army?
At E-6 you are the shop chief.
Q07What manuals and regulations does a E5 91G need to know cold?
AR 750-1 — Army Materiel Maintenance Policy; AR 710-2 — Supply Policy Below the National Level.; AR 750-43 — Test, Measurement, and Diagnostic Equipment (TMDE).; AR 623-3 + DA PAM 623-3 — NCOER (you write evaluations now; your bullets must be measurable).

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