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91HE6

Tracked Vehicle Repairer

E-6 (Staff Sergeant) · Army

E1–E3E-4E-5E-6E-7E8–E9
HEADS UP

The 915A Warrant Officer Maintenance Technician pipeline is the consequential conversation at this rank. If you are building the packet, build it with substance — diagnostic depth, production-floor metrics, BDAR qualification, ANAD liaison experience. If you are staying NCO-track, the SLC slate and the 1SG conversation are closer than you think.

The Honest MOS Read
You are the maintenance control NCO for an FSC or the shop foreman of a BSB tracked-vehicle section — managing 10-20 mechanics across multiple platforms: Bradley IFVs, M113 APCs, M109 Paladins, and M88A2 HERCULES recovery assets. The section NCOs report to you. The production board is yours to run. The GCSS-Army readiness data that rolls up to the brigade slide comes from your shop, and when the BSB commander asks why a battalion's tracked OR rate is red, you are the NCO who has the root cause and the recovery timeline — not a shrug. The daily split at SSG is roughly 30% wrenching and 70% leadership, management, and systems. You build the company's quarterly maintenance training brief input. You run the GCSS-Army production board for your fleet: open work orders, parts on order, scheduled services, deadline-aged reports, and the brigade readiness rollup. You sit in the brigade maintenance synchronization meeting as the senior 91H voice. The FSC commander and the BSB commander rely on your data to defend the brigade's tracked-vehicle readiness at echelon. The CMDP inspection at the company level is yours to defend. The findings your section NCOs catch at the section level should be closed before the company inspection. The findings the company inspection catches should be closed before the brigade IG walks the floor. The SSG who lets findings stack up is the SSG whose shop the brigade IG remembers — and not the way you want. The 915A Warrant Officer Maintenance Technician pipeline is the defining career decision at E-6 for a technically gifted 91H. The warrant officer path means leaving the NCO chain for a technical-authority career that advises commanders on maintenance from a systems perspective. The packet is competitive: chain-of-command letters, technical portfolio, board interview, and a schoolhouse with genuine academic and practical requirements. The SSG who has been building the portfolio since E-4 — diagnostic accuracy, TMDE management, BDAR qualification, ANAD coordination, production-floor leadership — walks into the board with credibility. The SSG who decides at E-6 that he wants to be a warrant officer and starts the packet with nothing behind it walks into the board with ambition and no evidence. The ANAD (Anniston Army Depot) liaison relationship is new at this rank. Depot-level tracked-vehicle work — engine overhaul, turret-drive rebuild, hull structural repair — is beyond your field-maintenance authority, but you coordinate the handoff. When a Bradley needs depot-level work, you write the evacuation recommendation, coordinate with TACOM, and track the vehicle through the depot pipeline. The SSG who understands the depot's capacity, timelines, and requirements gets his vehicles back faster than the one who treats ANAD as a black box.
Career Arc
  • 01SLC (Senior Leader Course) — the gate to SFC. Completion required before the E-7 board.
  • 02915A Warrant Officer Maintenance Technician packet preparation and submission — the consequential career fork.
  • 03CMDP inspection experience at the company level — defending the tracked shop against brigade-level inspection.
  • 04Brigade maintenance synchronization meeting attendance as the senior 91H voice — translating maintenance risk into commander language.
  • 05ANAD depot liaison experience — coordinating depot-level tracked-vehicle work and understanding the sustainment-level maintenance pipeline.
  • 06Maintenance Senior Sergeants Course at Fort Gregg-Adams (renamed from Fort Lee in 2023) — the differentiator for SFC selection.
  • 07First Sergeant / 1SG conversation begins — the 1SG track vs. the staff-NCO track at E-7.
Common Screwups
  • ×DUI at the SSG level — you are a rated NCO running a shop of 10-20 soldiers. One DUI rewrites your NCOER, removes you from the SLC slate, and may end your career outright under AR 600-85.
  • ×SHARP / EO climate failure in your shop. You set the climate for 10-20 soldiers. One substantiated complaint at the shop-foreman level triggers a command investigation and rewrites the NCOER permanently.
  • ×Financial misconduct — mismanaging hand-receipt property, misusing government purchase card authority, or personal financial mismanagement that triggers command involvement. At E-6 the property accountability is real money and the consequences are real investigations.
  • ×Integrity failure on the OR rate — inflating readiness numbers by manipulating GCSS-Army status codes. The brigade S4 sees the demand-history discrepancy and the BSB commander asks the question in front of the staff.
  • ×Ignoring the 915A conversation. The SSG who qualifies for the warrant board but never submits the packet because he was too busy running the shop is the SSG who stays an NCO and watches a peer with a thinner portfolio get selected because the peer submitted.

A Day in the Life

  • 0500Wake up. Check messages — GCSS-Army overnight alerts, FSC commander guidance, any after-hours vehicle faults reported.
  • 0530PT formation. You form the maintenance platoon or your shop section. Accountability is your responsibility across 10-20 soldiers.
  • 0600-0700Unit PT. You run with the platoon or lead the shop's strength program. Your fitness sets the standard for the entire shop.
  • 0700-0900Hygiene, breakfast, uniform change. Log into GCSS-Army: run the production-board update, check parts-receipt notifications, review deadline-aged report.
  • 0900First formation. You brief the shop: today's vehicle priorities, MRO assignments, parts that arrived, brigade-directed actions. Section SGTs relay to their soldiers.
  • 0915-1130Production floor management. Walk the bays: check diagnostic quality, review MRO progress, coordinate parts triage with the company supply NCO. Meet with the maintenance control officer on the week's production outlook.
  • 1130-1300Chow. Use 20 minutes to prepare for the afternoon brigade maintenance synchronization meeting if scheduled.
  • 1300-1400Brigade maintenance synchronization meeting (weekly) — you brief the tracked fleet's status: OR rate, deadline-aged vehicles, parts-on-order aging, scheduled services, projected FMC dates. The BSB commander asks questions; you defend the answers.
  • 1400-1600Afternoon: continue production-floor management, conduct counseling sessions with section SGTs, review CMDP items, coordinate with TACOM or ANAD on depot-level evacuations.
  • 1600-1630Tool accountability, shop cleanup, GCSS-Army final updates. Walk the floor one last time before release.
  • 1630Final formation. Brief tomorrow's plan. Release — unless a deadline vehicle or a brigade-directed action extends the day.
  • 1700-2100NCO professional development: SLC packet preparation, 915A WO packet work, NCOER drafting for section SGTs, civilian education coursework.
  • Field rotationYou are the senior tracked-maintenance NCO at the maintenance collection point. You manage the contact-team flow, coordinate M88A2 HERCULES recovery operations, make repair-or-evacuate decisions on deadline vehicles, and brief the FSC/BSB commander every 12 hours on the tracked fleet's status. Sleep is 4-6 hours between production cycles.

Weekly Cadence

Monday: brigade maintenance synchronization meeting sets the week's priorities. You brief tracked-fleet status and receive brigade-directed maintenance actions. Back in the shop, you assign the week's priorities to section SGTs and update the production board. Monday afternoon is production: clearing weekend backlog and starting the week's MROs. Tuesday through Thursday: production core. The shop runs diagnostic and repair work on the tracked fleet. You walk the floor daily, supervise section SGTs, coordinate parts triage, and handle TACOM/ANAD liaison on depot-level vehicles. Wednesday is typically counseling day — monthly sessions with section SGTs. Thursday afternoon loses half the shop to mandatory training; plan production knowing Thursday is a short day. Friday: weekly closeout. GCSS-Army production-board review, CMDP self-inspection items, tool inventory, shop cleanup, NCOER progress review. Prepare the data for Monday's brigade synchronization meeting. The SSG who has Friday's data ready before the maintenance control officer asks is the SSG who controls his narrative.

Key Skills — How to Drill Each

  1. 01
    Run a GCSS-Army production board at the company level for a mixed tracked fleet — load-leveling mechanics, parts triage, scheduled services versus surge demand, with a defensible 30/60/90 outlook.
    The production board is the tool that keeps the shop from being reactive. Build it weekly: every tracked vehicle in the fleet, its current status (FMC, PMC, NMC), its open MROs, its parts-on-order aging, its next scheduled service. Color-code by risk: green (FMC, no pending), amber (PMC or scheduled service within 30 days), red (NMC or deadline-aged over 14 days). Brief the board at the company production meeting. The FSC commander who walks into the BSB meeting with a production board that matches reality earns trust; the one who walks in with a board that does not match the GCSS-Army data loses it.
  2. 02
    Build a Quarterly Training Brief (QTB) input that aligns mechanics with platform sustainment training, BDAR qualification, and the brigade's deployment cycle.
    The QTB input is the document that tells the commander how you plan to train your mechanics over the next 90 days. Align it with the brigade's training calendar: if a CTC rotation is in 6 months, your BDAR training should be complete 90 days before the rotation. If the unit is receiving new platform variants, your mechanics need familiarization training before the vehicles arrive. The QTB input that is generic gets approved and ignored; the one that is specific gets approved and resourced.
  3. 03
    Defend a CMDP inspection at the company level — documentation trail, training records, TMDE calibration, shop safety, all clean.
    Start CMDP preparation 90 days before the inspection. Walk every section's documentation: 5988-Es, MRO files, TMDE calibration records, hand-receipt shortage annexes, training records. The findings you catch at 90 days can be corrected by 60 days. The findings you catch at 30 days are a scramble. The findings you catch at the inspection are embarrassments.
  4. 04
    Lead a brigade-level tracked recovery and BDAR rehearsal — M88A2 HERCULES employment, towing/hauling decisions, controlled-exchange authority, all rehearsed before the CTC rotation.
    The rehearsal is the event that prevents the CTC-rotation catastrophe. Walk every recovery scenario: Bradley throws a track in a berm, M109 loses power on a ridge, M113 takes a mobility kill in a minefield. Brief the HERCULES crew on rigging procedures per TM 9-2350-358. Walk the controlled-exchange authority with the section NCOs so nobody cannibalizes a vehicle without paperwork during the rotation. The rehearsal that feels tedious in garrison is the rehearsal that saves a vehicle at NTC.
  5. 05
    Mentor section sergeants into shop-foreman-ready candidates without losing your own SLC bench position.
    The bench behind you matters as much as your own performance. Give each section SGT a production-board responsibility that stretches him: one manages the Class IX demand history, one runs the CMDP self-inspection, one coordinates the TMDE calibration schedule. Delegate real authority with real accountability. The SSG whose section SGTs can brief the production meeting in his absence is the SSG whose platoon sergeant recommends him for SLC.
  6. 06
    Translate maintenance risk into language the FSC/BSB commander can defend at brigade — OR trend, parts-on-order aging, mechanic-hours available versus required.
    The commander does not need to know the TM page number. He needs to know: how many vehicles are red, why they are red, when they will be green, and what he can do to accelerate the timeline. Frame every readiness brief in those four questions. If the answer to 'when' is 'I do not know,' the brief is incomplete. If the answer to 'what can you do' is 'nothing,' you have not thought hard enough about controlled exchange, BDAR, or TACOM expedited-parts authority.

Manuals & References — What Chapters Matter

  • AR 750-1 — Army Materiel Maintenance Policy; AR 710-2 — Supply Policy.
    These are the two regulations that govern everything your shop does. AR 750-1 is the maintenance authority — CMDP, OR reporting, maintenance levels, controlled exchange. AR 710-2 is the supply authority — hand-receipt procedures, Class IX management, shortage annexes. You live in these two documents; read the chapters on field maintenance and hand-receipt accountability at least once per quarter.
  • AR 700-138 — Army Logistics Readiness and Sustainability.
    This regulation governs the readiness reporting system your OR rate feeds into. At E-6 you need to understand how your shop's data rolls up to brigade, division, and Army-level readiness reports — because the questions that come back down from division and corps trace their data back to your GCSS-Army entries.
  • DA PAM 750-1 — Commander's Maintenance Handbook; DA PAM 750-3 — Field Maintenance Operations.
    DA PAM 750-1 is the commander's perspective on maintenance management. DA PAM 750-3 is the field-maintenance operations guide. Together they frame the contact-team and BDAR mission set you oversee at CTC rotations. The SSG who can quote DA PAM 750-1 chapter structure to the FSC commander earns advisory credibility that outlasts the rating period.
  • AR 623-3 + DA PAM 623-3 — NCOER.
    You write SGT-level evaluations now. The quality of your NCOERs determines whether your section NCOs make SSG. Write bullets with numbers: OR rate maintained, MROs closed, Class IX dollars managed, soldiers trained, CMDP findings closed. The rater and senior rater read your evaluation of your subordinates as evidence of your leadership — sloppy NCOERs on your soldiers reflect on you.
  • ATP 4-90 — Brigade Support Battalion; ATP 4-33 — Maintenance Operations.
    ATP 4-90 is your formation's doctrinal reference. ATP 4-33 is the maintenance-operations doctrine that governs everything from contact maintenance to depot evacuation. At E-6 you need to know the full maintenance-support architecture from the FSC to TACOM — not just your shop's slice.
  • TM 9-2350-358-10/20 series — M88A2 HERCULES recovery vehicle operator and unit maintenance.
    At E-6 the HERCULES is your recovery platform — you own the company's recovery capability. Know the operator and unit-maintenance TMs cold. Every recovery operation your section runs should follow the TM procedures; every deviation should be documented and briefed. The HERCULES is the vehicle where shortcuts produce casualties.

Standards — How to Hit Each

  • SLC graduate; MLC packet built; the Maintenance Senior Sergeants Course at Fort Gregg-Adams as a differentiator.
    SLC is the gate to SFC — complete it within the window. The Maintenance Senior Sergeants Course at Fort Gregg-Adams is a functional-area course that deepens your maintenance-management expertise beyond what SLC covers. It is not required, but it differentiates you at the E-7 board. MLC (Master Leader Course) packet preparation should be on the bench by the time you finish SLC.
  • BDAR instructor qualification or recognized subject-matter expert on the tracked platform the unit fields.
    At E-6 you should be able to teach BDAR, not just perform it. The instructor qualification means you can run BDAR training for the entire company — which is a NCOER bullet and a CTC-rotation necessity. If the formal instructor course is not available, establish yourself as the shop's BDAR SME by running quarterly BDAR rehearsals and documenting the training.
  • Company-level tracked OR rate at or above the brigade average over rolling quarters; deadline-aged-over-30-day count trending down.
    The rolling-quarter trend matters more than any single reporting period. Track the OR rate monthly: calculate, document, brief. If the rate drops, identify the root cause (parts pipeline, mechanic shortage, platform age, training deficiency) and brief the recovery plan. The SSG whose OR rate trends up over three quarters has the NCOER bullet that writes itself.
  • CMDP inspection findings at the company level closed before the next quarterly review.
    CMDP findings have a lifecycle: identified, assigned, corrective action in progress, closed. Track every finding on a simple spreadsheet with the finding, the responsible section, the corrective action, and the closure date. Brief the status at the company production meeting. The SSG who closes findings before the next inspection demonstrates management discipline; the one who carries findings across quarters demonstrates the opposite.
  • NCOER profile defensible at brigade — Top Block / Most Qualified rate matching the actual quality delta in soldiers selected.
    Your NCOERs on your section SGTs compete against every other SSG's NCOERs at the brigade level. If you give every SGT a 'Most Qualified,' the senior rater adjusts your evaluations to fit the distribution. Write honest, differentiated NCOERs with concrete metrics. The section SGT who ran a clean OR rate and closed CMDP findings gets a stronger evaluation than the one who did not — and the numbers should prove it.

Technical Mistakes — Concrete Consequences

  • Inflating the GCSS-Army OR rate by sliding tracked deadline-faults into 'scheduled services' lanes.
    The brigade S4 sees the demand history and the maintenance control officer eats it with you in the room. Manipulating readiness data is not creative reporting — it is an integrity violation that the BSB commander treats as a trust failure. Once the commander stops trusting your numbers, every slide you brief for the rest of the rating period gets a second check.
  • Skipping the Class IX demand-history review before the brigade synchronization meeting.
    The FSC commander shows up to the meeting without the data and the BSB commander asks why his shop foreman did not prepare him. The demand history is the evidence behind the readiness number — without it, the OR rate is a claim without proof. Brief the demand history every time you brief the OR rate.
  • Confusing field-maintenance expertise with sustainment-level expertise on tracked platforms.
    The transition from field to depot-level tracked work requires honesty about where your authority ends and where TACOM and ANAD pick up. The SSG who attempts a repair beyond his maintenance level risks damaging the vehicle further, voiding the warranty on replaced components, and generating a safety finding. Know your lane and coordinate the handoff.
  • Authorizing a controlled exchange on a tracked component without the paperwork because 'we will catch it Monday.'
    The CSM finds the un-papered swap and the BSB commander eats a finding in front of the brigade CO. Controlled exchange has a documented procedure in AR 750-1 — it exists to prevent unauthorized cannibalization. Skipping the paperwork is not expedience; it is a violation that gets discovered and attributed.
  • Talking up the 915A Warrant Officer path to a gifted specialist without warning him honestly that the selection process is competitive and the schoolhouse has washouts.
    The specialist submits a thin packet, gets rejected, and blames you for setting false expectations. Mentor honestly: the 915A path requires technical depth, academic preparation, and a competitive portfolio. Encourage the specialist to build the portfolio; do not promise the outcome.

Career Decisions at This Rank

  • 915A Warrant Officer Maintenance Technician — submit or defer.
    The 915A board convenes annually. The packet requires chain-of-command endorsement, a technical portfolio, and a board interview. If your portfolio has substance — years of production-floor metrics, BDAR expertise, ANAD coordination, ASE certifications — submit. If the portfolio is thin, defer one year and build it deliberately. Submitting a thin packet wastes a board look and signals that you do not understand the standard.
  • 1SG track vs. staff NCO track at SFC.
    The 1SG of a maintenance company or FSC is a command position — you own the company climate, the orderly room, the retention program, and the daily formation. The staff NCO at brigade or division is an advisory position — you advise on maintenance readiness at echelon. Both paths lead to SGM/CSM, but the 1SG track carries more command authority and more personal risk. Know which one fits your leadership style before the conversation starts.
  • TRADOC instructor duty vs. operational assignment.
    The Ordnance School at Fort Gregg-Adams needs experienced 91H SSGs as AIT instructors and course developers. Instructor duty develops your teaching and curriculum skills, gives you a predictable schedule, and positions you well for the Maintenance Senior Sergeants Course. The trade-off: 2-3 years without operational NCOERs. The E-7 board values operational experience more heavily, so plan the timing of a TRADOC assignment carefully.
  • Degree completion for post-service positioning.
    At E-6, the post-service career is 8-14 years away but the preparation starts now. A bachelor's degree in engineering technology, industrial management, or supply-chain management positions you for civilian maintenance-management roles at defense contractors, depot-level operations, and federal civilian positions (GS-11 to GS-13). Tuition Assistance covers most of the cost; the time investment is the constraint. Online programs from accredited schools work around the shop schedule.
  • Stabilization vs. PCS for broadening.
    If you are at an ABCT running a tracked shop, stabilizing keeps you in the seat where your NCOERs are strongest. If you have never served overseas, an OCONUS assignment (Korea, Germany) adds breadth to your record and provides maintenance experience in forward-deployed or rotational environments. The E-7 board values both depth and breadth — two back-to-back ABCT assignments show depth; an ABCT followed by OCONUS shows range.

How the Seat Varies by Unit Type

  • ABCT BSB — shop foreman for the brigade's tracked fleet
    This is the SSG proving ground. You manage the production floor for the brigade's entire tracked fleet — Bradleys, M113s, M109s, M88A2s across multiple battalions. The BSB commander rates you on OR rate, production throughput, and CMDP performance. The brigade CTC rotation is the defining event — your shop's performance determines whether the brigade's tracked combat power is sustained through the rotation.
  • ABCT FSC — maintenance control NCO
    In the FSC you are embedded with a single combined-arms battalion. Your scope is narrower (one battalion's tracked fleet) but your relationship with the maneuver commander is direct. The combined-arms battalion commander knows your name and your OR rate. Your NCOER bullets come from operational readiness that the maneuver commander can verify personally.
  • Sustainment brigade — field maintenance company
    Sustainment brigades at division and corps level handle reset maintenance and pre-positioned-stock sustainment. The diagnostic challenges are deeper, the pace is more deliberate, and the coordination with TACOM/ANAD is more frequent. The NCOER competes against BSB NCOERs at the E-7 board — the board sees sustainment-brigade duty as depth, not operational. Good for technical development, weaker for competitive NCOER positioning.
  • TRADOC — Ordnance School instructor
    Instructor duty at Fort Gregg-Adams develops teaching skills and positions you for the Maintenance Senior Sergeants Course. You train the next generation of 91Hs and shape the MOS curriculum. The NCOER is different — you are evaluated on student outcomes, curriculum development, and institutional contribution, not operational readiness. Plan for one tour maximum before returning to an operational assignment.
  • Korea / Germany — forward-stationed or rotational
    OCONUS tracked-fleet maintenance operates under heightened readiness posture. Parts pipelines are longer, field exercises are frequent, and the expectation of rapid deployment is real. The SSG who runs a tracked shop in Korea or Germany earns NCOERs that the E-7 board reads as demonstrated versatility — you can run a shop anywhere, under any conditions.

What Good Looks Like at This Rank

The good SSG 91H runs the track shop the BSB commander names in the slide as 'maintenance is solid.' His production board matches reality — every vehicle status, every open MRO, every parts-on-order item is accurate and current. His section SGTs brief confidently at the production meeting because he trained them to own their data. His CMDP findings are closed before the brigade IG walks the floor. He turns out two SGT-grade section NCOs per cycle — soldiers who leave his shop knowing how to diagnose, how to document, and how to brief. His 915A Warrant Officer packet is on the table when the company senior maintenance officer asks if he is interested, and the packet has substance: years of diagnostic accuracy, TMDE management, BDAR qualification, production-floor leadership, and ANAD coordination documented in NCOER bullets and letters of recommendation. The contractor at the ANAD depot already knows his name because he coordinates depot-level work professionally — vehicles arrive properly documented, evacuation recommendations are accurate, and the handoff is clean. The maintenance control officer is fighting brigade to keep him through one more rotation because a shop foreman who runs clean is rare and the BSB does not give up rare lightly.

Preview — The Next Rank

At E-7 (SFC), you are the platoon sergeant of a maintenance platoon or the senior 91H/91X in a brigade support battalion. The Army's senior-NCO MOS consolidation means you are now a 91X advising across the wheeled, tracked, construction, and artillery fleet — not just Bradley and M113. You write four to five NCOERs per cycle that pick the next SSG and SFC slate. You sit in the brigade maintenance synchronization meeting and walk the line during the brigade CMDP inspection. The 1SG conversation starts at SFC. The 1SG of a maintenance company or FSC is a command position that the CSM slate watches. The platoon sergeant who runs a clean platoon, produces shop-foreman-ready SSGs, and sustains the brigade's tracked OR rate through a CTC rotation is the one the BSB commander names when the 1SG vacancy opens. The honest weight of E-7: the lieutenant signs the slide, but you make sure the slide is true. If the brigade's tracked fleet goes sideways at NTC because a maintenance platoon was inadequately prepared, the brigade commander does not ask the lieutenant what happened — he asks the platoon sergeant.
FAQ

91H E6 — Frequently Asked Questions

Q01What does a E6 91H (Tracked Vehicle Repairer) actually do?
You are the maintenance control NCO for an FSC or the shop foreman of a BSB tracked-vehicle section — managing 10-20 mechanics across multiple platforms: Bradley IFVs, M113 APCs, M109 Paladins, and M88A2 HERCULES recovery assets.
Q02What's the most important thing to know as a E6 91H?
The 915A Warrant Officer Maintenance Technician pipeline is the consequential conversation at this rank.
Q03What does a typical day look like for a E6 91H?
Time-blocked day at the E6 91H rank tier: 0500 Wake up. Check messages — GCSS-Army overnight alerts, FSC commander guidance, any after-hours vehicle faults reported, 0530 PT formation. You form the maintenance platoon or your shop section. Accountability is your responsibility across 10-20 soldiers, 0600-0700 Unit PT. You run with the platoon or lead the shop's strength program. Your fitness sets the standard for the entire shop, 0700-0900 Hygiene, breakfast, uniform change. Log into GCSS-Army: run the production-board update, check parts-receipt notifications, review deadline-aged report,…
Q04What mistakes get E6 91H soldiers fired or relieved?
DUI at the SSG level — you are a rated NCO running a shop of 10-20 soldiers. One DUI rewrites your NCOER, removes you from the SLC slate, and may end your career outright under AR 600-85; SHARP / EO climate failure in your shop. You set the climate for 10-20 soldiers. One substantiated complaint at the shop-foreman level triggers a command investigation and rewrites the NCOER permanently; Financial misconduct — mismanaging hand-receipt property, misusing government purchase card authority,…
Q05What career decisions matter most at the E6 91H rank tier?
915A Warrant Officer Maintenance Technician — submit or defer — The 915A board convenes annually. The packet requires chain-of-command endorsement, a technical portfolio, and a board interview. If your portfolio has substance — years of production-floor metrics, BDAR expertise, ANAD coordination, ASE certifications — submit. If the portfolio is thin, defer one year and build it deliberately. Submitting a thin packet wastes a board look and signals that you do not understand the standard; 1SG track vs.…
Q06What's next after E6 for a 91H (Tracked Vehicle Repairer) in the Army?
At E-7 (SFC), you are the platoon sergeant of a maintenance platoon or the senior 91H/91X in a brigade support battalion.
Q07What manuals and regulations does a E6 91H need to know cold?
AR 750-1 — Army Materiel Maintenance Policy; AR 710-2 — Supply Policy.; AR 700-138 — Army Logistics Readiness and Sustainability (your readiness reporting reg).; DA PAM 750-1 — Commander's Maintenance Handbook; DA PAM 750-3 — Field Maintenance Operations.

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