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91GE6

Fire Control Repairer

E-6 (Staff Sergeant) · Army

E1–E3E-4E-5E-6E-7E8–E9
HEADS UP

The shop is yours. You run 10-15 technicians across M1A2 Abrams and M2/M3 Bradley fire control families, you own the GCSS-Army production board for fire control, and you sit at the brigade maintenance synchronization meeting as the senior enlisted fire control voice. The CMDP inspection is your signature. The 948B/948D warrant pipeline is your legacy project. SLC should be on the calendar; if you are going warrant, the packet should be submitted or nearly there.

The Honest MOS Read
You are the shop chief — the senior fire control NCO in a maintenance company, a BSB maintenance battalion, or the brigade-level electronics maintenance shop. The section NCOICs report to you. The maintenance warrant advises on materiel management and fleet-level readiness data; you run the human side: who is on what bench, who is in what training progression, who is closing MROs on time, and who needs a counseling conversation before the problem gets worse. The fire control shop under your charge covers multiple weapon-system fire control families. In a standard ABCT that means M1A2 Abrams (CITV, GPS, ballistic computer, laser rangefinder, commander's control panel) and M2A3/M3A3 Bradley (IBAS stabilization, TOW fire control). If the brigade has fielded modernization variants — SEPv3, SEPv4 — those bring new software loads, new LRU configurations, and sometimes new test equipment requirements that your technicians need cross-training on. You manage 10-15 soldiers, build the fire control sub-section of the GCSS-Army production board, and defend it at the company production meeting and the brigade monthly maintenance synchronization meeting. The CMDP inspection is now your problem. The Command Maintenance Discipline Program checks TM compliance records, TMDE calibration status, COMSEC accountability on classified FCS software media, MRO documentation quality, and technician certification records. The findings land on the shop chief. An SSG who walks the inspector through a clean shop earns the trust the BSB commander needs to leave the fire control section alone. An SSG whose shop has findings becomes the NCO the BSB CSM watches more closely for the next quarter. Contractor coordination is part of the job. Leonardo DRS, L3Harris, BAE Systems, and other defense contractors provide Field Service Representatives (FSRs) during complex FCS depot-level repairs, fielding events, and sometimes gunnery exercises. You need to know what the FSR can do that your unit-level technicians cannot, when to call the FSR versus when to handle the fault in-house, and how to manage the coordination without giving up ownership of the repair. The FSR works for the contractor; the fleet readiness data goes to your commander. The 948B/948D Warrant Officer pipeline is your legacy project. At SSG you should be actively mentoring section NCOs and SPCs toward the warrant track — at minimum one packet forwarded per year with the technical record and recommendation to compete. The 948B (Electronics Maintenance Technician) and 948D (Electronic Missile Systems Maintenance Technician) paths are among the strongest technical careers in Army sustainment. The shop chief who produces warrant candidates is the shop chief the Ordnance branch remembers. The SLC window opens at E-6. SLC is the schoolhouse that prepares you for the platoon sergeant billet — running 20-40 soldiers across the full electronics-maintenance family, writing NCOERs that move promotion boards, and advising at BSB staff level. If you are not going SLC because you submitted a 948B packet, that is a deliberate choice. If you are not going SLC because you let the window drift, that is a career problem.
Career Arc
  • 01E-6 / SSG — shop chief, fire control section (10-15 soldiers, multiple SGT section NCOICs under you).
  • 02SLC nomination and completion — the gate to SFC. Complete within the eligible window.
  • 03CMDP inspection ownership — every finding in the fire control shop is attributed to the shop chief.
  • 04948B/948D Warrant Officer pipeline — mentor at least one packet per year from your shop's NCO and SPC bench.
  • 05Brigade maintenance synchronization meeting — you are the senior enlisted fire control voice at the monthly meeting.
  • 06Contractor FSR coordination — Leonardo DRS, L3Harris, BAE Systems during depot-level repairs and fielding events.
  • 07E-7 / SFC board — platoon sergeant or senior electronics NCO at the BSB or brigade level.
Common Screwups
  • ×Inflating the fire control OR rate in GCSS-Army by recategorizing deadline faults as 'scheduled service.' The brigade S4 reads the demand-history report, and the maintenance officer eats the finding with you in the room.
  • ×COMSEC incident under your tenure — a single classified FCS software media loss or handling violation at the shop level generates a report above brigade and an investigation that takes months. The shop chief's compliance program is the first thing the investigator reviews.
  • ×DUI or serious misconduct at the SSG level — at this rank, UCMJ action is a career terminator. The GOMOR goes in the performance fiche and the promotion board sees it. There is no recovery path.
  • ×Neglecting the human side of the shop — SHARP/EO climate, family readiness, soldier welfare — because 'maintenance is busy.' Senior maintenance NCOs lose careers to command-climate findings as fast as any other career field.
  • ×Letting the 948B warrant conversation die because you are too focused on your own SSG duties. The shop chief who does not produce warrant candidates is the shop chief who wasted the Army's best technical talent pipeline.

A Day in the Life

  • 0515-0545Pre-formation review — check GCSS-Army for overnight MRO updates, parts receipts, and TMDE calibration status changes. Review the production board and prepare the company production meeting brief.
  • 0545-0600Formation — PT accountability, announcements. You are responsible for your shop's accountability at every formation.
  • 0600-0700Company PT. You run with the platoon or lead shop-level PT when sections break out. Your fitness sets the standard for 10-15 soldiers.
  • 0700-0830Hygiene, breakfast, uniform change. Final production-meeting preparation — update the production board with any overnight changes, pull the MRO aging report.
  • 0830-0930Company production meeting — brief the fire control shop's status: open MROs by platform, parts on order, TMDE calibration health, contact-team availability, projected closures. The company OIC, maintenance warrant, and BSB observer ask questions.
  • 0930-1100Shop floor management — walk the bench positions, check work in progress, verify section NCOICs have assigned tasks and TM references. Review fault-isolation documentation on complex repairs before authorizing LRU requisitions.
  • 1100-1200Administrative work — NCOER drafts, counseling preparation, TMDE calibration tracking, CMDP self-inspection follow-up. Coordinate with the maintenance warrant on LRU exchange status and FSR scheduling.
  • 1200-1300Lunch. Quick sync with the platoon sergeant or the company 1SG on personnel issues, training schedule, or upcoming inspections.
  • 1300-1500Afternoon production — supervise on-vehicle work (boresight verification, FCS installation), review completed MROs before closure, approve parts requisitions. If an FSR is on-site, coordinate the depot-level action and ensure your technicians are observing for cross-training.
  • 1500-1600Training and mentorship — conduct or observe section-level training, review 948B packet progress with interested NCOs/SPCs, counseling appointments.
  • 1600-1630End-of-day close-out — verify tool accountability, COMSEC media return and log, update the production board for tomorrow, submit the daily maintenance report to the company OIC.
  • 1630-1700End-of-day formation — 1SG announcements, next-day schedule, release.
  • 1700-1900Personal time — dinner, gym. NCOER writing and SLC preparation happen in the evenings when the duty day does not accommodate them.
  • 1900-2100Personal time — family, gym, study. The SLC reading list or 948B packet finalization are evening projects.

Weekly Cadence

Monday opens with the extended company production meeting — the full-shop status brief, the week's MRO priority stack, the gunnery calendar alignment, and any TACOM/AMC coordination requirements. You brief; the company OIC and maintenance warrant direct. Tuesday through Thursday is core production with embedded training. Friday morning is production wrap-up; Friday afternoon is shop-level maintenance stand-down, tool inventory, TMDE calibration audit, and counseling. The monthly rhythm adds the brigade maintenance synchronization meeting — typically the third or fourth week. You attend as the senior enlisted fire control voice. The BSB commander, the brigade maintenance officer, and the peer shop chiefs from the other maintenance sections are in the room. Your data must be current, your trend lines honest, and your 60/90-day outlook defensible. The CMDP self-inspection runs quarterly; the COMSEC inventory runs per the unit SOP schedule. When the brigade gunnery cycle opens, the weekly cadence compresses hard. Pre-gunnery boresight verification across the brigade fleet, contact-team deployment, LRU pre-staging, and FSR coordination all run simultaneously. You may run the fire control element of the FMT during the CTC rotation — which means two to three weeks of 14-hour days with overnight on-call, managing technicians and contact teams across the brigade's operational footprint. The shop's garrison discipline is what carries into the field: if the TMDE was current, the COMSEC was accountable, and the technicians were trained, the CTC rotation goes well. If any of those slipped, the rotation exposes it.

Key Skills — How to Drill Each

  1. 01
    Run the fire control section of the GCSS-Army production board at company level — MRO load, LRU exchange pipeline, technician-hours available vs. required, 30/60/90 outlook.
    Build the production board as a living document, not a snapshot. Update it daily with MRO status changes, parts receipts, and calibration completions. Brief the 30-day outlook at the weekly meeting and the 60/90-day outlook at the monthly synchronization. The maintenance officer and BSB commander use your data to make resourcing decisions — if your data is stale, their decisions are wrong.
  2. 02
    Defend a CMDP inspection at the section level — TM compliance records, TMDE calibration status, COMSEC accountability, OPSEC of classified FCS software, all clean.
    Run a self-inspection 30 days before the CMDP. Walk the same checklist the inspector will walk. Fix every finding before the inspector arrives. The SSG who presents a clean shop has already done the hard work; the SSG who is 'fixing findings during the inspection' has already lost credibility.
  3. 03
    Coordinate with contractor FSRs from Leonardo DRS, L3Harris, or BAE Systems during complex FCS depot-level repairs or fielding events.
    Know the FSR's contract scope — what they can touch, what they cannot, what documentation they require. Brief your technicians on the coordination protocol before the FSR arrives. The FSR is a technical asset, not a replacement for your section's capability. The good shop chief leverages FSR expertise for cross-training; the bad shop chief hands off the fault and walks away.
  4. 04
    Mentor section NCOs toward shop-chief-ready competency — build two SSG-quality leaders from your SGT bench.
    Assign each SGT a progressive mentorship plan: GCSS-Army production-board management, CMDP self-inspection, TMDE program coordination, counseling quality review. Evaluate them against the shop-chief standard, not the section-NCOIC standard. When one of your SGTs can brief the production meeting without you in the room, he is ready.
  5. 05
    Build a Quarterly Training Brief input that aligns fire control technicians with platform qualification, TMDE proficiency, and the brigade gunnery cycle.
    Map every technician in the shop against the platforms they are certified on, the TMDE they are qualified to use, and the gunnery calendar. Identify gaps 90 days before gunnery: who needs cross-training on the M1A2 SEPv3 FCS? Who needs TMDE recertification before the gunnery boresight window? Brief the gaps and the closure plan to the company OIC.
  6. 06
    Translate fire control readiness data into language the BSB commander can defend at brigade.
    The BSB commander does not need fault codes. He needs: how many tanks can shoot, how many cannot, what is the timeline to fix the ones that cannot, and what is the risk to the gunnery calendar. Frame every readiness brief in those terms. Add the LRU pipeline depth and the TMDE calibration health as supporting data. The commander who trusts your data does not micromanage your shop.

Manuals & References — What Chapters Matter

  • AR 750-1 — Army Materiel Maintenance Policy; AR 700-138 — Army Logistics Readiness and Sustainability.
    At E-6 you manage the shop's maintenance posture against these regulations. AR 750-1 defines the maintenance levels and responsibilities; AR 700-138 defines the readiness reporting requirements. When the BSB commander asks why the fire control OR rate dropped, your answer should reference the regulatory framework, not just the parts shortage.
  • AR 750-43 — Test, Measurement, and Diagnostic Equipment.
    The TMDE program at shop level is more complex than at section level — you are tracking calibration across multiple sections, multiple instrument types, and multiple calibration labs. AR 750-43 defines the calibration intervals, the documentation requirements, and the consequences of lapses. One out-of-cal instrument in any section cascades through your entire shop's MRO history.
  • AR 380-40 — COMSEC Material Safeguarding (FCS software and encrypted components).
    At shop-chief level, COMSEC accountability is a command-climate issue. You are responsible for the compliance program, not just individual transactions. AR 380-40 defines the custodian responsibilities, the inventory schedules, and the incident-reporting chain. Read the sections on annual inventories and loss-reporting procedures before your first inventory cycle as shop chief.
  • AR 623-3 + DA PAM 623-3 — NCOER.
    You write SGT-level evaluations now. Your bullets need to differentiate between section NCOICs — who closed more MROs, who trained more technicians, who produced the cleanest CMDP self-inspection. The SFC board reads your evaluations and compares your write-ups to every other SSG shop chief's. Measurable bullets win.
  • AR 25-30 — The Army Publishing Program.
    Keep your TM stack current. Outdated Technical Manuals in the shop are a CMDP finding. AR 25-30 governs the publication cycle; the Army Publishing Directorate website is where you verify current versions. When a new TM revision drops for the M1A2 SEPv3 FCS, update the shop copies before the next CMDP.
  • ATP 4-33 — Maintenance Operations; ATP 4-90 — Brigade Support Battalion; ATP 4-91 — Army Field Support Brigade.
    These three publications frame the doctrinal structure your shop operates within. ATP 4-33 covers maintenance operations; ATP 4-90 covers the BSB; ATP 4-91 covers the AFSB that provides your depot-level reach-back. When TACOM or AMC sends a LAR to coordinate a depot action, these publications define the roles.

Standards — How to Hit Each

  • SLC complete; MLC packet under construction; Maintenance Senior Sergeants Course at Aberdeen Proving Ground is a differentiator.
    Push for SLC at the earliest window. The Maintenance Senior Sergeants Course is an additional credential that builds depot-level and echelons-above-brigade understanding — it is not required for SFC, but it separates you from peers at the board. If the 948B packet is submitted, SLC may be deferred — but that is a deliberate career decision, not a scheduling oversight.
  • Fire control section OR rate at or above the company average — documented in GCSS-Army, not estimated.
    Track the OR rate weekly by platform and by sub-system. Present trend data at the monthly synchronization meeting — not a snapshot, but a rolling-quarter trend that shows whether your shop is improving, steady, or declining. The BSB commander reads trends; single-day snapshots are noise.
  • CMDP inspection findings at section level closed before the next quarterly review.
    When the CMDP inspector writes a finding, treat it as an immediate corrective action — not a punch list for next quarter. Document the root cause, implement the fix, verify the fix, and report closure to the company OIC. Findings that linger across quarters tell the BSB commander that the shop chief does not take the program seriously.
  • NCOER top-block rate at or above the company average — your technicians' evaluations compete with every other section's.
    Write bullets that stand out: 'Section closed 87 fire control MROs at 97% on-time closure, zero NFF returns, zero COMSEC incidents; mentored 1 SPC through BLC and initiated 1 948B WO packet.' The delta between your section's NCOER bullets and the next section's is what the SFC board reads.
  • COMSEC accountability clean across all FCS software media in shop custody.
    Run the COMSEC inventory per the unit SOP schedule — monthly or quarterly. Verify every item. Sign the report. One discrepancy generates an incident report that goes above brigade, and the investigation timeline is measured in months, not weeks.

Technical Mistakes — Concrete Consequences

  • Inflating the fire control OR rate by sliding deadline-faulted systems into 'scheduled service' lanes in GCSS-Army.
    The brigade S4 reads the demand-history report. The maintenance officer runs the audit. The discrepancy between the OR rate you briefed and the demand history the system recorded is visible to everyone above you — and the explanation is always worse than the original deadline.
  • Allowing technicians to perform LRU swaps without documented fault-isolation trails.
    The sustainment-level repair shop returns a 'No Fault Found' tag. The LRU goes back on the shelf unrepaired. The original fault recurs. The NFF rate climbs. The maintenance warrant asks why, and the answer traces to the shop chief who did not enforce fault-isolation documentation.
  • Skipping the FSR coordination call before a complex FCS depot-level action.
    The unit spends six weeks waiting for a part that the Leonardo DRS FSR could have cross-leveled from a sister brigade's float stock in two days. The gunnery calendar slips. The BSB commander asks why the shop chief did not coordinate, and the answer is always indefensible.
  • Treating the 948B Warrant Officer application as a low-priority conversation.
    A technically gifted SSG or SPC who misses the 948B window because no one pushed the packet is a wasted asset — for the soldier and for the Army. The shop chief who produces warrant candidates is the one the Ordnance branch remembers when talent-management conversations happen at echelons above brigade.
  • Authorizing classified FCS software media checkout outside COMSEC procedures because 'the job is urgent.'
    COMSEC incidents at the SSG level generate reports that end careers at the senior-NCO board. The investigation does not care that the gunnery deadline was tight. The regulation exists precisely for the moments when the timeline is tightest.

Career Decisions at This Rank

  • Submit the 948B Warrant Officer packet at SSG or stay NCO-track toward SFC.
    SSG is the optimal 948B submission window — you have the technical depth, the shop-chief leadership record, the CMDP experience, and the maintenance warrant's endorsement. The 948B career is a technical leadership path: Warrant Officer advising battalion and brigade commanders on electronics maintenance, managing the TMDE program at echelon, coordinating depot-level repairs. The NCO track leads to SFC platoon sergeant, 1SG, and eventually SGM — broader leadership with less technical depth. If you have been building the packet since E-4, submit it. If you have not started, you need an honest conversation with the maintenance warrant about whether the record is competitive.
  • Push for SLC or defer it for the 948B pipeline.
    SLC is the gate to SFC. If you are staying NCO-track, complete it at the earliest window. If you are submitting a 948B packet, SLC may be deferred — but only if the packet is truly in process. Deferring SLC without a submitted packet leaves you in limbo: not advancing on the NCO track and not advancing on the warrant track. Do not let that happen.
  • Request the Maintenance Senior Sergeants Course at Aberdeen as a board differentiator.
    The course builds depot-level and echelons-above-brigade understanding of the fire control maintenance enterprise. It is not required, but it separates you from peers at the SFC board and strengthens the 948B packet. If you can get a slot between SLC and the SFC board, take it.
  • Pursue a 948D (Electronic Missile Systems Maintenance Technician) packet instead of 948B.
    The 948D path covers missile fire control and electronic missile systems — PATRIOT, THAAD, and associated radar. If your ABCT experience includes SHORAD or if you have cross-trained on ADA fire control, the 948D may be a better fit. The selection board evaluates technical breadth across the electronics maintenance family. Talk to both a 948B and a 948D warrant before deciding.
  • ETS at SSG and go civilian — defense contractor management, FSR team lead, or civilian electronics supervision.
    At SSG with documented shop-chief experience, your civilian market value is significant. Defense contractors hire former 91G shop chiefs as FSR team leads, program managers, and depot-level repair supervisors. The salary range is well above E-6 base pay plus BAH. The trade-off is the same as always: the contractor job is a job; the Army at SFC and above is a career with retirement at 20. If you have 12+ years TIS, the retirement math probably favors staying.

How the Seat Varies by Unit Type

  • ABCT BSB maintenance company — the signature billet
    The shop-chief role in an ABCT BSB maintenance company is the 91G SSG's defining assignment. You manage the fire control bench for the entire brigade fleet. The MRO volume is high, the CMDP inspection is rigorous, the maintenance warrant is experienced, and the BSB commander expects accurate data. This is the assignment the SFC board evaluates you on.
  • Division sustainment brigade electronics cell
    Some divisions maintain an electronics maintenance oversight cell at the division sustainment brigade. The SSG in this role tracks fleet-wide fire control readiness across multiple BCTs, coordinates TACOM/AMC LAR reach-back for the division, and manages the division's TMDE program. The work is more oversight than bench, but the enterprise-level understanding is valuable for both the SFC board and the 948B packet.
  • TACOM or AMC Logistics Assistance Representative (LAR) support role
    Rare at SSG, but some electronics maintenance NCOs serve in LAR support roles at TACOM or AMC. The position provides depot-level visibility into how the fire control fleet is managed at the national level — how LRU overhaul priorities are set, how modernization fielding affects the unit, and how the industrial base (Leonardo DRS, L3Harris, BAE) interfaces with the Army. This is the broadest view of the maintenance enterprise a 91G NCO can get short of the 948B course itself.
  • CTC rotation — NTC / JRTC / JMRC
    At SSG you run the fire control element of the BSB's FMT during the CTC rotation. This is the tactical application of shop-chief discipline: TMDE management under field conditions, COMSEC accountability in a tactical environment, technician supervision across dispersed contact teams. The CTC OC/T evaluates your maintenance posture as part of the brigade assessment. A clean rotation at NTC is the strongest NCOER bullet a maintenance SSG can write.
  • Schoolhouse (Aberdeen, Fort Gregg-Adams CASCOM)
    An instructor or curriculum-developer billet at Aberdeen or CASCOM at Fort Gregg-Adams builds deep fire control pedagogy. You articulate the 'why' behind every TM procedure to a classroom of AIT students. The experience sharpens your ability to develop technicians — but it takes you off the operational bench for 2-3 years. Best suited as a broadening assignment after a strong ABCT tour.

What Good Looks Like at This Rank

The good SSG 91G runs the fire control shop the BSB commander names in the briefing as 'electronics is solid.' His GCSS-Army MRO data is clean enough that the maintenance warrant trusts it without auditing it — because the warrant knows the shop chief built the data discipline into his section NCOICs, not just into his own work habits. The production board is current, the 30/60/90 outlook is realistic, and the parts pipeline status matches what the supply sergeant reports. He has turned out two SGT-quality section NCOICs in the last 18 months — NCOs who can brief the production meeting without the shop chief in the room, run a CMDP self-inspection without being told, and counsel their soldiers with documented, measurable bullets. The 948B packet on his desk has a first-rate recommendation file behind it, and the maintenance warrant has already told the company commander that the packet is competitive. When the brigade gunnery cycle opens, his section has already pre-staged every LRU likely to deadline in the first week — because the shop chief knows the fleet. He has the chronic-fault LRU list memorized, the TMDE calibration schedule aligned with the gunnery timeline, and the contact-team packing list finalized before the company commander asks. The Leonardo DRS FSR at the last gunnery exercise described his shop as 'the best unit-level fire control section I have worked with this year' — and that is the kind of feedback that travels up the FSR's reporting chain to the program office, and down the Army's to the Ordnance branch talent manager.

Preview — The Next Rank

At E-7 you are the platoon sergeant of an electronics/fire control maintenance platoon or the senior electronics NCO advising at BSB or brigade staff level. The shop becomes the platoon: 20-40 soldiers across the full electronics-maintenance family — fire control, radio, SIGINT ground equipment, and associated test equipment. Under the Army's 94E/91G senior-NCO consolidation, you advise across the entire electronics-maintenance family, not just one platform. You write four to five NCOERs per cycle — evaluations that pick the next SSG/SFC slate. You sit on the brigade maintenance synchronization meeting as the senior enlisted electronics voice and walk the line during the brigade CMDP inspection. You build the brigade's 948B and 948D Warrant Officer pipeline and you mentor the shop chiefs who will run sections without you. The 1SG conversation starts at SFC. If you are selected for 1SG, you run a maintenance company — 80-130 soldiers, the orderly room, the supply room, and the brigade's most sensitive accountability items. If you stay MSG, you advise at brigade or division level on the full electronics-maintenance posture. Either way, the SFC billet is where the command decides whether you are ready to lead the entire formation, not just the shop floor.
FAQ

91G E6 — Frequently Asked Questions

Q01What does a E6 91G (Fire Control Repairer) actually do?
You are the senior fire control NCO in a maintenance company, a BSB maintenance battalion, or the brigade-level electronics maintenance shop.
Q02What's the most important thing to know as a E6 91G?
The shop is yours.
Q03What does a typical day look like for a E6 91G?
Time-blocked day at the E6 91G rank tier: 0515-0545 Pre-formation review — check GCSS-Army for overnight MRO updates, parts receipts, and TMDE calibration status changes. Review the production board and prepare the company production meeting brief, 0545-0600 Formation — PT accountability, announcements. You are responsible for your shop's accountability at every formation, 0600-0700 Company PT. You run with the platoon or lead shop-level PT when sections break out. Your fitness sets the standard for 10-15 soldiers, 0700-0830 Hygiene, breakfast, uniform change.…
Q04What mistakes get E6 91G soldiers fired or relieved?
Inflating the fire control OR rate in GCSS-Army by recategorizing deadline faults as 'scheduled service.' The brigade S4 reads the demand-history report, and the maintenance officer eats the finding with you in the room; COMSEC incident under your tenure — a single classified FCS software media loss or handling violation at the shop level generates a report above brigade and an investigation that takes months. The shop chief's compliance program is the first thing the investigator reviews;…
Q05What career decisions matter most at the E6 91G rank tier?
Submit the 948B Warrant Officer packet at SSG or stay NCO-track toward SFC — SSG is the optimal 948B submission window — you have the technical depth, the shop-chief leadership record, the CMDP experience, and the maintenance warrant's endorsement. The 948B career is a technical leadership path: Warrant Officer advising battalion and brigade commanders on electronics maintenance, managing the TMDE program at echelon, coordinating depot-level repairs. The NCO track leads to SFC platoon sergeant, 1SG, and eventually SGM — broader leadership with less technical depth.…
Q06What's next after E6 for a 91G (Fire Control Repairer) in the Army?
At E-7 you are the platoon sergeant of an electronics/fire control maintenance platoon or the senior electronics NCO advising at BSB or brigade staff level.
Q07What manuals and regulations does a E6 91G need to know cold?
AR 750-1 — Army Materiel Maintenance Policy; AR 700-138 — Army Logistics Readiness and Sustainability.; AR 750-43 — Test, Measurement, and Diagnostic Equipment.; AR 380-40 — COMSEC Material Safeguarding (FSC software and encrypted components).

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