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13BE7

Cannon Crewmember

E-7 (Sergeant First Class) · Army

E1–E3E-4E-5E-6E-7E8–E9
HEADS UP

Sergeant First Class 13B is the firing-platoon-sergeant rank — three to four howitzer sections, 20-30 cannoneers, and the full weight of the platoon's gunnery program. SLC is behind you; MLC at NCOLCoE Fort Bliss is the STEP gate for MSG / 1SG. The Master Fires Sergeant Course at Fort Sill is THE differentiator credential — the FA branch's senior NCO professional course that separates the SFC who pins MSG/1SG from the SFC who doesn't. 13B converts to 13Z (Field Artillery Senior Sergeant) at SFC — the senior NCO consolidation MOS — though most cannon-crew SFCs stay on the gun track within the 13Z umbrella. The 131A FA Targeting Technician warrant officer accession window narrows at mid-SFC; if you never made the call at SSG, this is the last comfortable point.

The Honest MOS Read
Sergeant First Class 13B is the senior enlisted firing-platoon NCO — the platoon sergeant of a firing platoon in a cannon FA battery. The doctrinal organization (per ATP 3-09.50, The Field Artillery Cannon Battery, and FM 3-09, Fire Support and Field Artillery Operations) is roughly three-to-four howitzer sections per firing platoon (the exact number varies by platform and TO&E — Paladin platoons in ABCT typically run 4 guns; M777 platoons in SBCT / select IBCT run 3-4 guns; M119A3 platoons in IBCT run 3-4 guns) and 20-30 soldiers across the gun crews, the prime mover crews, and (where the platoon is task-organized with FDC) a section of FDC operators. You own training, evaluations, schools, promotions, discipline, equipment, and family readiness for every cannoneer, gunner, ammo team chief, and section chief inside the platoon. The seat operates at the intersection of two senior NCO chains. The firing battery chain — BC, 1SG, the other PSGs, the FDO, the FDC chief, the FAASV section sergeant in ABCT — is your daily horizontal peer set. The FA battalion senior NCO chain — FA battalion commander, FA battalion CSM, FA battalion S-3 NCOIC, the other firing battery PSGs across the battalion, the FA HHB 1SG, the FA battalion BMO — is the vertical chain that reads you for the next MSG/1SG slate. You translate the BC's commander's intent into a platoon that delivers the first round inside the time standard from the FDC's call; you translate the FA battalion CSM's priorities into platoon-level enlisted-readiness execution. You write four-to-five section-chief NCOERs per cycle that the senior rater can defend at the FA battalion NCOER review. The 13Z conversion at SFC is the institutional reality of the cannon-crew senior NCO career. 13B converts to 13Z (Field Artillery Senior Sergeant) at SFC — a senior NCO consolidation MOS that broadens the senior FA NCO across the cannon, FDC, and gunnery worlds for the 1SG / MSG / SGM / CSM slate. The conversion is automatic at SFC pin-on under the current MOS catalog; the 13Z designation reads as the senior NCO progression marker on the record brief. Most cannon-crew SFCs stay on the gun track within the 13Z umbrella — firing-platoon-sergeant tour, then 1SG of a firing battery or HHB, then FA battalion CSM track — rather than go fully generalist into FDC, target acquisition, or fire support coordination roles. The 13Z designation does not change the soldier's day-to-day execution as a firing-platoon-sergeant; it changes the institutional MOS designation that follows you to the 1SG slate. The promotion-to-MSG / 1SG math runs through the centralized HRC MSG / 1SG board under AR 600-8-19. The board reads your full ERB / SRB packet; selection rates move with FA inventory math against requirement, and the 1SG slate is constrained by the actual count of firing battery and HHB 1SG slots across the Army. There is no cutoff to study to. Pull the current HRC published board results before guessing what the bar looks like. The Master Leader Course at NCOLCoE Fort Bliss is the E-7 to E-8 STEP gate. MLC is a joint-NCO course — not MOS-specific — and the curriculum covers senior-NCO leadership at the operational and institutional levels, multi-component planning, and the leadership / counseling / NCOER framework appropriate to the E-7 to E-8 transition. Slots run through the FA branch HRC slate; submit the MLC packet 18-24 months before the MSG / 1SG board zone. The FA branch senior NCO chain reads the MLC graduation date on the MSG / 1SG board packet as the institutional-credential timing signal. The Master Fires Sergeant Course at Fort Sill is THE differentiator credential for senior FA NCOs at this rank. The course is the FA Center of Excellence's senior-fires-NCO professional course — slot-allocated through the FA battalion S-3 NCOIC and the brigade FA CSM and the FA branch senior NCO chain. The course produces master-fires-sergeant-qualified NCOs who run the FA battalion's gunnery program, mentor the SSG section chief bench, and feed the senior 1SG / FA BN CSM slate. SFCs who hold Master Fires Sergeant are visibly differentiated at the MSG / 1SG slate; SFCs who don't can still pin MSG but enter the slate without the credential. The conversation at SFC is no longer "consider it" — at this rank it is "execute it" — the slot is the credential and the network simultaneously, and the senior FA NCOs at MSG / SGM / CSM who didn't get the credential are the senior FA NCOs whose career arc is materially narrower. The career-broadening fork at SFC is real and consequential. Drill Sergeant assignment at the 434th Field Artillery Brigade at Fort Sill (the 13B OSUT host brigade, 24 months under the X4 Drill Sergeant ASI — institutional-Army option visible on the record brief); TRADOC instructor at the 434th FA Brigade or the FA School (cadre at BLC, ALC, SLC for the FA-specific schoolhouse rotations); NTC / JRTC / JMRC Observer / Controller / Trainer at SFC level (the senior-fires-NCO mentor / evaluator role at the combat training centers); JMRC OC/T at Hohenfels for the European-aligned brigades; USASOC enabler senior NCO (the senior FA NCO in select USASOC fires support roles); FA Center of Excellence senior NCO at Fort Sill for the institutional-Army track. Each is a 24-36 month tour off the line; each produces a different NCOER narrative; each is visible on the next MSG / 1SG slate. The 131A FA Targeting Technician warrant officer accession window narrows materially at SFC. The accession pipeline (WO Strength Branch packet submission, WO Officer Candidate School at Fort Novosel — formerly Fort Rucker, renamed in 2023 — and the 131A WOBC at Fort Sill) consumes 9-12 months; the family-separation math compounds with age. SFCs who never made the WO call at SSG and are considering it at SFC have a narrower window — typically mid-SFC is the last comfortable point. The decision is honest self-assessment: are you a senior NCO leader on the 1SG / brigade FA CSM track, or are you a technical-specialist planner on the 131A WO track? Both paths produce credible FA leaders; the 131A WO career model is different from the SFC-track. The post-service market at E-7 with the credential stack mature is genuinely strong. Defense-contractor billets at FA-systems prime contractors (BAE M109 PIM cadre, Lockheed Martin Excalibur cadre, Raytheon Excalibur and precision-guided munitions cadre, Hanwha Defense USA K9 cadre for the FMS / interoperability work, the smaller FA-specific contractors); training-center contractor positions at NTC / JRTC / JMRC under the OC/T contractor program; federal civil service fires-advisor billets at COCOM J3 fires shops, division G-3 fires staff, BCT-level civilian fires positions, FA Center of Excellence civilian advisor positions at Fort Sill (GS-12 to GS-13). The SFCs who landed the best post-service careers started the planning conversation at mid-SFC; the SFCs who waited until retirement-orders date landed in the lower tier of available billets.
Career Arc
  • 01E-7 pin-on via centralized HRC SFC board under AR 600-8-19; PCS to firing-platoon-sergeant slate per FA battalion CSM / brigade FA CSM nomination. Automatic 13Z conversion at SFC pin-on per current MOS catalog (cannon-crew designation retained within the 13Z umbrella for most soldiers).
  • 02Firing platoon sergeant tour (24-36 months) — 3-4 gun sections, 20-30 cannoneers, full platoon gunnery program ownership, four-to-five section-chief NCOERs per period.
  • 03Master Fires Sergeant Course at Fort Sill — the FA branch differentiator credential at this rank; slot through FA battalion S-3 NCOIC and brigade FA CSM.
  • 04MLC at NCOLCoE Fort Bliss — Master Leader Course, the STEP gate for MSG / 1SG board competitiveness.
  • 05Career-broadening tour (24-36 months) — Drill Sergeant at the 434th FA Brigade Fort Sill, TRADOC instructor at the FA School, NTC / JRTC / JMRC OC/T, USASOC enabler senior NCO, or FA Center of Excellence senior NCO at Fort Sill.
  • 06131A FA Targeting Technician warrant officer accession decision — packet submitted via WO Strength Branch if track diverges (last comfortable window before family math becomes prohibitive).
  • 07Bench-build through quarterly counseling of subordinate SSG section chiefs; MSG / 1SG packet in motion 18-24 months before E-8 board zone.
Common Screwups
  • ×DUI / Article 15 / fraternization at this rank — career-ending in the FA community. The 13B senior NCO chain at SFC is structurally small; the BC, the FA battalion CSM, the brigade FA CSM, and the FA branch senior NCO chain at Fort Sill all hear within 48 hours, and the next E-8 board reads it on paper.
  • ×Coasting through MLC. MLC instructors at NCOLCoE Fort Bliss talk to the senior NCO chain across branches; soldiers who phone the course are flagged for the bench-tier discussion at the next 1SG slate read. The slot is the credential and the network simultaneously, and the network is your next 10 years of senior NCO peers across the Army.
  • ×Skipping or deferring the Master Fires Sergeant Course conversation past the SFC zone. The course is THE FA branch differentiator credential for the SFC → MSG/1SG transition; SFCs who never made the course are the SFCs whose record brief reads as senior FA NCO without the visible bullet that separates the top tier from the average tier. The senior FA NCOs at MSG / SGM / CSM who didn't get the credential are the senior FA NCOs whose career arc is materially narrower.
  • ×Letting the 131A FA Targeting Technician warrant officer accession window close without an honest decision. The SFC who never made the WO call at SSG and never made it at SFC is the SFC whose 131A pipeline opportunity is structurally closed by family-separation math at E-8; the FA branch senior NCO chain reads the avoidance as career-management weakness.
  • ×Public disagreement with the BC, the FA battalion commander, the FA battalion CSM, or the brigade FA CSM. Senior NCOs disagree in the office and walk out aligned. The SFC who breaks this is the SFC who loses the FA battalion CSM's defense at the next 1SG slate; the cost of a public feud at SFC is structural and durable.

A Day in the Life

  • 0500Wake. PT uniform on. Phone check — overnight firing platoon events. SSG section chief in trouble? Howitzer maintenance deadline? FAASV ammunition discrepancy in ABCT? Cannoneer family emergency? CTC train-up issue? BC's priority call? The SFC who lets the phone go to voicemail at this rank is the SFC who hears about it from the BC or the FA battalion CSM the wrong way.
  • 0530PT formation with the firing battery. You report platoon accountability to the 1SG; the FA battalion CSM walks the battery occasionally and reads the firing platoon by reading the PSG.
  • 0545-0700Unit PT. You run the platoon's training with the firing battery plan. FA PT at SFC level looks different from line maneuver PT — cannoneers lift heavy ammo for a living, so strength density is higher, ruck density is moderate, the gunnery cycle drives different fitness demands. You walk the formation, check on SSG section chiefs from the last counseling, adjust the firing platoon bench-build conversation. The SFC who does PT with the firing platoon is the SFC the SSGs respect.
  • 0700-0900Hygiene, breakfast, change uniforms. You spend 20-30 minutes with the BC and the 1SG — the day's priorities, the firing battery BUB items, the FA battalion CSM's items, the brigade FA CSM's items, the FA battalion commander's fires read.
  • 0900First formation. The BC addresses the firing battery; you stand with the senior NCO chain. The SSG section chiefs translate the firing battery's tasks to the sections. You verify execution during the morning walk-around.
  • 0915-1130Battery- and FA-battalion-level work. You are at the firing battery training meeting with the BC and the FDO, at the FA battalion S-3 fires synch event, at the FA battalion CSM's NCO sync, or at the brigade FA CSM's senior FA NCO sync. You walk the gun line — howitzer PMCS rollup, prime mover deadline pursuit through the FA battalion BMO, FAASV PMCS in ABCT, fire control verification, comm fill verification, ammunition accountability at the firing battery ammo holding area. The PSG who walks the line every morning is the PSG whose firing platoon does not surprise the BC at the next live-fire.
  • 1130-1300Chow. You eat with the firing battery senior NCO chain — the 1SG, the other PSGs, the FDC chief, the FAASV section sergeant in ABCT, the BC occasionally, the FA battalion CSM if he's at the battery, the brigade FA CSM occasionally. Conversation is FA battalion- and brigade-level: training, slates, Master Fires Sergeant Course timing, 131A WO accession, FA battery allocation, CTC train-up, FA battalion commander's priority read.
  • 1300-1500Afternoon work. NCOER drafting (you write four-to-five section-chief NCOERs per period and review the firing platoon's NCOER profile). Counseling under ATP 6-22.1 on the SSG section chiefs you are building toward the next SFC board. Platoon-level training plan refinement. MLC packet build if 18-24 months out from the MSG / 1SG board zone. 131A WO packet review if that track is on the table for yourself or for a mentee.
  • 1500-1630Final formation. The BC briefs; you brief platoon-level adjustments; your SSG section chiefs brief the sections. Sensitive items count rolled up across the firing platoon. The BC and you walk the firing platoon on critical end items.
  • 1630-1800Firing platoon release. You stay 60-90 minutes with the BC and the 1SG — AAR on the day, prep for tomorrow, FA battalion CSM coordination if needed, brigade FA CSM read if relevant. The SFC who closes out the day with the BC and the 1SG is the SFC whose platoon does not surprise the FA battalion commander at the next BUB.
  • 1800-2000Personal time. Married SFCs: family. Single SFCs: gym, MLC packet build if approaching MSG / 1SG zone, Master Fires Sergeant Course conversation prep if pursuing, study for institutional-development reading from the FA branch senior NCO professional reading list, college coursework if running the GI Bill / TA stack toward a bachelor's or master's. The post-service market planning conversation begins in earnest at mid-SFC; the SFC who builds the conversation across 24-36 months is the SFC whose retirement-prep math works out at E-8 or E-9.
  • 2000-2200After-hours coordination with the BC, the 1SG, the SSG section chiefs, or a cannoneer in crisis. The SFC's phone is always on. Family-emergency calls, after-duty firing platoon bench-build issues, CTC train-up prep work, FA battalion senior NCO chain overflow. The SFC who lets the phone go to voicemail stops being the SFC the BC trusts.
  • 2200Lights out.
  • Field rotation / CTC / Battalion Live-Fire / Brigade Joint Fires RehearsalThe clock collapses. You are the senior enlisted firing-platoon NCO for the firing battery during a JRTC, NTC, or JMRC rotation; a battalion-level live-fire exercise at home station; or a brigade-level joint fires rehearsal preceding a major operation. The OC/T evaluator at the CTC fires team is writing the firing platoon's AAR; the BC reads it; the FA battalion CSM reads it; the brigade FA CSM reads it; the next 1SG slate read reflects it.

Weekly Cadence

The Mon-Fri rhythm at SFC 13B level is the firing-platoon-sergeant version of the firing battery rhythm. Monday is the heaviest planning day — you are reading the 1SG's Friday release, adjusting the firing platoon's plan to match the firing battery's tasking, briefing the BC and the SSG section chiefs by mid-morning, and validating the firing platoon-level training state (gunnery cycle progress, ammunition forecast, howitzer maintenance state, prime mover deadline state, FAASV state in ABCT, fire control calibration, comm fill state). Tuesday-Wednesday are execution; you observe, the SSG section chiefs run section-level training, the SGTs run section-internal tasks. Thursday is howitzer maintenance day (PMCS deep clean across all 3-4 guns, deadline pursuit through the FA battalion BMO, fire control calibration, sights and collimator inspection) or platoon-level event prep; Friday is the firing battery-level event and release. The week's second rhythm is the firing battery and FA battalion work: the 1SG sync (weekly), the firing battery training meeting with the BC and the FDO (weekly), the FA battalion CSM's NCO sync (monthly), the brigade FA CSM's senior FA NCO sync (monthly), the FA battalion S-3 fires synch event (weekly during operational tempo), the FA battalion BUB (weekly), the brigade-level joint fires rehearsal cycle (mission-driven). The SFC who is on the 1SG bench is at the 1SG's office at least weekly and at the FA battalion CSM's office monthly. The SFC who is not is missing the briefing he needs to compete. The week's third rhythm is the firing platoon bench-build work — quarterly counseling under ATP 6-22.1 on the SSG section chiefs, NCOER drafting and review for the SSG section chief bench, SFC packet support for the SSGs approaching the next E-7 board, Master Fires Sergeant Course mentoring for the SSGs in motion, 131A WO accession mentoring for the SSGs considering the WO track. The week's fourth rhythm is the institutional development work — MLC packet build if approaching the MSG / 1SG zone, Master Fires Sergeant Course conversation refinement for yourself, 131A WO packet review if that track is on the table for yourself, professional reading from the FA branch senior NCO reading list, college coursework if running the GI Bill / TA stack. The SFC who runs all four rhythms cleanly is the SFC the BC and the FA battalion CSM name in the 1SG slate; the SFC who runs only the first two is the SFC whose 1SG bench read does not open at the next centralized board.

Key Skills — How to Drill Each

  1. 01
    Build a quarterly firing platoon training plan that survives the FA BN S3 calendar — METL-aligned, ammunition forecast, range bid, locked.
    The firing platoon's quarterly plan rolls up to the firing battery, then to FA battalion. As PSG, you own the platoon-level calendar. Build it with the BC and the FDO; brief it to the SSG section chiefs; lock it Friday afternoon. The calendar includes the section-level gunnery cycle (Tables I-VI under TC 3-09.81), the platoon-level live-fire exercises, the quarterly section certification cycles, the FA battalion-level fires synch events, the brigade-level joint fires rehearsal cycles, the CTC train-up if approaching JRTC / NTC / JMRC, the ammunition forecast (projectiles by type — HE, smoke, illum, precision-guided; propellant — M232 MACS for 155mm, the appropriate charges for 105mm; fuze types — PD, time, VT, MOFA where supported), the range bid through the FA battalion S-3, and the safety package (DD 2977 chain, SDZ overlay, MEDEVAC posture). The PSG whose calendar survives the next month without major revision is the PSG whose FA battalion commander names in the slate.
  2. 02
    Write four-to-five section-chief NCOERs per cycle that the senior rater can defend at the FA BN NCOER review — bullets that match measurable section outputs.
    NCOER bullets at the platoon-sergeant level are graded on observable measurable outcomes — section first-round time across the platoon, section ARTEP-MTP T-rating on the fire-mission collective tasks, section sensitive-item and Class V accountability across the rotation, section CTC rotation rating in the OC/T fires AAR, section deadline rate on the howitzer and prime mover, the gunner-qualification rate across the platoon. Bullets that read 'served as section sergeant for a 4-gun firing platoon' are filler; bullets that read 'led platoon to T rating on Table VI live fire; first-round time 1:38 against the FA battalion's 2:00 standard; zero sensitive-item discrepancies across NTC 24-XX; gunner-qualification rate 100% across all 4 sections' are defensible at FA battalion. The SFC who writes the bullet that names the outcome is the SFC whose rated SSGs pin SFC on schedule; the SFC who writes filler is the SFC whose NCOER profile gets pulled back at the next senior-rater review.
  3. 03
    Run a platoon-level live-fire exercise to the ARTEP-MTP 'T' rating — section certification, gunnery, lane validation, fires-counterfire-displace drill cycle.
    The platoon LFX is the FA battalion's quarterly evaluation event. Plan with the FA battalion S-3, the BC, the FDO, and the range control office 60 days out. DD 2977 signed by every echelon up to the FA battalion commander per ATP 5-19; MEDEVAC posture coordinated with the FA battalion medical platoon; SDZ overlay on the range map per TC 3-09.81; the brigade-level range certification chain; the misfire procedure rehearsed across all sections; the counter-fire response drill integrated with the AN/TPQ-50 / AN/TPQ-53 radar feed; the displacement timeline rehearsed across the prime mover crews. The platoon LFX is graded on the ARTEP-MTP T-rating standard for the fire-mission collective tasks. The SFC who runs the LFX to a T-rating with the OC/T (Observer / Controller / Trainer) signing the AAR in the credit lane is the SFC whose FA battalion commander defends at brigade BUB.
  4. 04
    Mentor three-to-four SSG section chiefs into SFC-board-ready candidates without losing your edge on your own MLC.
    Each subordinate SSG section chief gets quarterly counseling under ATP 6-22.1 with a development objective tied to the next SFC slate — SLC packet refinement (or graduation), Master Fires Sergeant Course pipeline conversation, 131A WO accession review, NCOER bullet quality, gunnery-program execution, section first-round time, sensitive-item discipline, ammunition discipline. The SFC who graduates two SSGs to SFC-promotable in 30 months is the SFC the BC and the FA battalion CSM name for the 1SG slate. While doing this, you are building your own MLC packet, your own Master Fires Sergeant Course slot conversation, and your own NCOER profile for the centralized MSG / 1SG board.
  5. 05
    Operate as a firing battery acting 1SG when called — accountability formation, sick call, casualty notification, family readiness, ammunition forecast brief, all of it.
    The acting 1SG role for the firing battery happens regularly — the 1SG is at MLC, at the brigade 1SG council, on leave, at a brigade-level event, or PCS-transitioning out. The PSG is the next senior NCO and steps into the seat. The acting 1SG runs the 100-130 soldier battery — accountability formation, sick call, the company training calendar, the battery's UCMJ workload (Article 15 paperwork under AR 27-10, the FLAG process under AR 600-8-2), casualty notification protocol under AR 638-8 (the senior NCO walks families through some of the worst hours of their lives), family readiness coordination with the battery FRG, ammunition forecast brief to the BC and the FA battalion S-3. The SFC who is named to act 1SG is the SFC the FA battalion CSM is reading for the next 1SG slate; the SFC who runs the acting tour cleanly is the SFC who pins the diamond on the slate after MLC.
  6. 06
    Translate the FA branch professional development conversation to your section chiefs — Master Fires Sergeant Course, MLC packet timing, 13Z conversion at the next slate, 131A WO accession window.
    The firing-platoon-sergeant is the SSG section chief's first senior-NCO mentor at the SFC-track conversation. The Master Fires Sergeant Course conversation starts at the SSG section chief's quarterly counseling — the PSG names the credential, the SSG section chief builds the packet, the BC and the FA battalion CSM nominate. The MLC packet timing conversation starts 18-24 months before the SSG section chief becomes SFC-eligible. The 13Z conversion conversation is institutional — the SSG section chief who pins SFC converts to 13Z automatically; the PSG explains what that means for the next 1SG slate. The 131A WO accession conversation is the SSG section chief's personal career decision — the PSG provides honest counsel on whether the soldier is a senior NCO leader (SFC track) or a technical-specialist planner (131A WO track). The SFC who runs these conversations with the SSG section chief bench is the SFC the FA branch senior NCO chain reads as a senior FA NCO mentor.

Manuals & References — What Chapters Matter

  • TC 3-09.81 — Field Artillery Manual Cannon Gunnery; TC 3-09.8 — Field Artillery Gunnery.
    TC 3-09.81 is the cannon gunnery doctrine you have owned since SSG — at SFC you are translating it down to the SSG section chief bench and you are signing platoon-level Table VI for every section that comes up for certification under your tenure. TC 3-09.8 is the broader FA gunnery doctrine — covers section, platoon, and battery gunnery integration with FDC and the fires picture. Re-read the platoon-and-battery integration chapters annually; the manual updates periodically with FA Center of Excellence revisions.
  • ATP 3-09.50 — The Field Artillery Cannon Battery; FM 3-09 — Fire Support and Field Artillery Operations.
    ATP 3-09.50 is the cannon battery doctrine — the battery TO&E, the firing battery senior NCO chain integration, the FDC integration, the FAASV employment in ABCT, the M777 prime-mover-and-section employment in IBCT/SBCT, the M119A3 platoon employment in light. As PSG, you are the senior NCO operationalizing ATP 3-09.50 at the firing-battery level. FM 3-09 is the doctrinal spine of the entire fires fight; the BC and the FA battalion commander quote from it in the BUB. The SFC who reads both at the working-knowledge level is the SFC who can brief the FA battalion commander on the platoon's role inside the FA battalion fight without rewording.
  • AR 350-1 + DA PAM 350-9 — Training; ATP 7-22.01 — Holistic Health and Fitness Testing.
    AR 350-1 is the Army's training doctrine; at SFC you own the platoon-level training calendar that rolls up through the firing battery and the FA battalion. DA PAM 350-9 is the procedural detail on Army training; reference it for resourcing arguments at the FA battalion BUB. ATP 7-22.01 governs ACFT testing under the H2F (Holistic Health and Fitness) framework; the firing platoon's fitness posture is on the FA battalion CSM's read at the next NCO sync.
  • AR 623-3 + DA PAM 623-3 — Evaluation Reporting System; AR 600-8-19 — Enlisted Promotions; HRC SELCONT and promotion board policy MILPER messages.
    AR 623-3 governs NCOER writing — at SFC you write four-to-five section-chief NCOERs per period; the senior rater profile is judged by whether your rated SSGs got selected at the SFC board. AR 600-8-19 governs the enlisted promotion system; pull the current SELCONT (Selective Continuation) and HRC published board results MILPER before guessing what the bar looks like at the next E-8 zone. DA PAM 623-3 is the procedural detail on the NCOER process.
  • AR 600-20 — Army Command Policy; ATP 6-22.6 — Army Team Building; ADP 6-22 — Army Leadership; ATP 6-22.1 — The Counseling Process; AR 27-10 — Military Justice; AR 638-8 — Army Casualty Program.
    AR 600-20 is the command-policy spine — SHARP, EO, anti-extremism, military justice; at SFC your name is on the initial company-level reports for events in the firing platoon. ADP 6-22 and ATP 6-22 series are the leadership / counseling / team-building doctrinal spine at the senior NCO level. ATP 6-22.1 is the counseling-process reference; the DA 4856 chain you build is your defensible record. AR 27-10 is the military justice reg; you are in the room when a soldier is read his rights or processed for Article 15. AR 638-8 is the casualty program reg; every senior NCO must know it because the senior NCO walks families through the worst hours of their lives.
  • TC 7-22.7 — The Army Noncommissioned Officer Guide; the BC's current platoon SOP and the FA battalion fires playbook.
    TC 7-22.7 is the Army NCO Guide — the TC the FA battalion CSM quotes; section on the NCO Support Channel, on counseling, on standards. The BC's platoon SOP is the unit-specific reference — every firing battery writes its own platoon SOP and the BC updates it. The FA battalion fires playbook is the FA battalion-level unit-specific reference; the FA battalion S-3 and the FA battalion CSM update it. As PSG, you operate inside these unit-specific references daily.

Standards — How to Hit Each

  • SLC graduate; MLC packet built for the E-8 board competitiveness window.
    SLC was the E-6 to E-7 STEP gate, completed before SFC pin-on. MLC at NCOLCoE Fort Bliss is the E-7 to E-8 STEP gate; the slot request runs through the FA branch HRC slate and the FA battalion CSM. Submit the MLC packet 18-24 months before the MSG / 1SG board zone — the FA branch senior NCO chain reads the MLC graduation date on the E-8 board packet as the institutional-credential timing signal. The MLC POI covers senior-NCO leadership at the operational and institutional levels; soldiers who graduate with NCOLCoE faculty recognition are differentiated at the 1SG slate.
  • Master Fires Sergeant Course at Fort Sill on the table — THE FA branch differentiator credential for the SFC → MSG/1SG transition.
    The course is the FA Center of Excellence's senior-fires-NCO professional course — slot allocated through the FA battalion S-3 NCOIC, the brigade FA CSM, and the FA branch senior NCO chain. The course produces master-fires-sergeant-qualified NCOs who run the FA battalion's gunnery program. SFCs who hold the credential are visibly differentiated at the MSG / 1SG slate; SFCs who don't can still pin MSG but enter the slate without the credential. The conversation at SFC is no longer 'consider it' — it is 'execute it.' The slot is the credential and the network simultaneously, and the senior FA NCOs at MSG / SGM / CSM who didn't get the credential are the senior FA NCOs whose career arc is materially narrower.
  • Platoon ACFT pass rate at or above 95%; platoon live-fire / CTC rotation rating in the upper third of the FA battalion.
    The platoon's fitness posture and combat-evaluation rating are the SFC's most visible operational metrics. ACFT pass rate is the platoon-level read of fitness discipline; the FA battalion CSM reads it at the next NCO sync. Platoon live-fire / CTC rotation rating in the upper third of the FA battalion is the external-evaluator signal — the OC/T fires AAR reads the platoon's name in the credit lane. The SFC who runs the platoon to upper-third performance is the SFC the FA battalion CSM names in the 1SG slate.
  • Platoon-level zero relievable incidents in your tenure — no negligent discharges, no DUIs you missed coming, no sensitive-item loss, no ammunition or fuze mishandling.
    Relievable incidents at the platoon level are career-ending for the PSG and reputation-ending for the firing battery. The PSG's signature accountability is on every section's sensitive-item count, every ammunition issue and turn-in, every fuze-handling event, every Article 15 the platoon processes. Zero relievable incidents across a 24-month PSG tour is the bench-tier signal; one relievable incident eats the FA battalion's training schedule for a month and the PSG's NCOER for the rest of the career.
  • NCOER profile clean — Top Block / Most Qualified rate consistent with the platoon's actual performance; section chiefs you rated pinning SFC on schedule.
    The senior rater at this rank is the BC or the FA battalion CSM depending on the rating-scheme. The NCOER profile is judged by whether the SSGs you rated as Top Block / Most Qualified actually got selected at their respective SFC boards. If your subordinate SSGs are not pinning SFC at the rates your NCOER profile implied, the BC and the FA battalion CSM pull back on your defense at the next 1SG slate. Honest writing — to the reg under AR 623-3, not to inflation — keeps the profile defensible.

Technical Mistakes — Concrete Consequences

  • Letting one section chief drift because you trust him.
    That is the section the IG inspection, the FA Center of Excellence functional inspection, or the next CTC rotation OC/T fires team will visit, and the BC and the FA battalion commander will not stand by you. The drift surfaces in the section's first-round time, the section's sensitive-item count, the section's ammunition accountability, or the section's NCOER bullets that no longer match the section's actual performance. The fix is structural: every section chief gets the PSG's quarterly counseling under ATP 6-22.1, every section's metrics are reviewed weekly, and the PSG signs no section's certification paperwork he hasn't personally verified.
  • Confusing being 'tight' with the LT (platoon leader) with being aligned with the LT.
    The firing platoon needs you to push back honestly, in private. The PSG who is 'tight' with the LT but doesn't push back when the LT's plan is wrong is the PSG whose platoon executes a bad plan and eats the AAR. The LT who has a PSG that won't push back is the LT who never learns to be a fires officer. The FA battalion commander reads the PSG-LT relationship as one of the central indicators of the firing battery's senior NCO depth; the PSG who runs the relationship honestly is the PSG the FA battalion commander defends.
  • Carrying a personal feud with a peer PSG or the FDC chief into the firing battery.
    The firing battery's senior NCO chain is small — three or four PSGs (depending on platoon count), the FDC chief, the FAASV section sergeant in ABCT, the 1SG. The FA battalion CSM walks the battery weekly and reads the senior NCO chain by watching the interactions. A PSG carrying a feud into the battery is a PSG the BC and the FA battalion CSM coordinate around; the battalion-level NCOERs reflect it; the next 1SG slate read carries the gap. The fix is professional behavior at the senior NCO level — disagreements stay in the office, the senior NCO chain walks out aligned.
  • Skipping the family-readiness piece because 'the spouses run that.'
    The firing platoon is your platoon at SFC — 20-30 cannoneers and their families. Family readiness is the FA battalion CSM's read of the senior NCO's company-level senior-NCO depth. The PSG who skips the family-readiness piece is the PSG whose platoon's family-emergency response, EFMP enrollment rate, FRG participation, and unit-status family-readiness reporting reads as inattentive at the next brigade IG climate review. The cost is the PSG's bench-tier read at the 1SG slate; the FA battalion CSM names the PSG who runs the family-readiness work, not the PSG who delegated it. You sign the unit-status report on family readiness for a reason.
  • Going to the FA BN CSM around your 1SG.
    You will be wrong and you will be relieved. The 1SG is your direct senior NCO chain; going around the 1SG to the FA battalion CSM — for a personnel matter, a resource request, a disagreement with the BC — undercuts the 1SG's authority and breaks the senior NCO chain. The FA battalion CSM hears about it before the PSG finishes the email; the relief conversation is at firing battery level; the FA battalion CSM and the BC coordinate the PSG's removal from the 1SG bench. The fix is structural: every battery-level conversation routes through the 1SG; every FA battalion-level conversation routes through the 1SG and the FA battalion CSM in sequence; the PSG who runs the proper channels is the PSG the 1SG defends.

Career Decisions at This Rank

  • Firing-platoon-sergeant tour at line BCT firing battery vs. career-broadening tour (Drill Sergeant at 434th FA Brigade Fort Sill / TRADOC instructor at FA School / NTC-JRTC-JMRC OC/T / USASOC enabler / FA Center of Excellence senior NCO at Fort Sill).
    The default 13B SFC path is firing-platoon-sergeant at a line BCT firing battery — the load-bearing E-7 seat in the cannon FA enlisted force. The career-broadening tours produce different NCOER narratives and different post-service markets: Drill Sergeant at the 434th FA Brigade at Fort Sill (24 months under the X4 Drill Sergeant ASI, the X4 on the record brief) is the highest-visibility institutional-Army option for the senior FA NCO; TRADOC instructor at the 434th or the FA School (cadre at BLC, ALC, SLC for the FA-specific rotations) puts you in the schoolhouse as a senior FA NCO cadre; NTC / JRTC / JMRC OC/T (the senior-fires-NCO mentor / evaluator role at the combat training centers, typically 24-36 month tour) feeds directly into post-service defense-contractor OC/T billets at the same CTCs; USASOC enabler senior NCO is the SOF fires senior NCO chain at SFC; FA Center of Excellence senior NCO at Fort Sill (the institutional FA branch senior NCO chain) feeds the brigade FA CSM / regimental track. Each is a 24-36 month tour off the line. The decision is partly yours (which slate to express interest in) and mostly the FA battalion CSM's and the brigade FA CSM's (which slate the FA branch actually offers).
  • Master Fires Sergeant Course pursuit timing at SFC.
    The Master Fires Sergeant Course at Fort Sill is THE FA branch differentiator credential for the SFC → MSG/1SG transition. The conversation at SFC is no longer 'consider it' — it is 'execute it.' The slot allocation runs through the FA battalion S-3 NCOIC, the brigade FA CSM, and the FA branch senior NCO chain. The decision: pursue if the BC and the FA battalion CSM nominate and the slot exists, defer honestly only if a CTC rotation or operational tempo legitimately blocks attendance (and recognize the deferral is functionally a decline at the SFC late zone). The credential is durable across the senior NCO career — it differentiates the SFC who pins MSG/1SG from the SFC who doesn't. The senior FA NCOs at MSG / SGM / CSM who didn't get the credential are the senior FA NCOs whose career arc is materially narrower.
  • 131A FA Targeting Technician warrant officer accession packet — the last comfortable window.
    The 131A WO accession window narrows materially at SFC. The accession pipeline (WO Strength Branch packet submission, WO Officer Candidate School at Fort Novosel — formerly Fort Rucker, renamed in 2023 — and the 131A WOBC at Fort Sill) consumes 9-12 months; the family-separation math compounds with age. SFCs who never made the WO call at SSG and are considering it at SFC have a narrower window — typically mid-SFC is the last comfortable point. The decision: pursue if you are honestly a technical-specialist planner and the family math works; decline honestly if you are honestly a senior NCO leader on the 1SG / brigade FA CSM track; defer further only if a CTC rotation or operational tempo legitimately blocks the packet (and recognize the deferral is functionally a decline at the SFC late zone). The 131A WO career model is different from the SFC-track; both produce credible FA leaders.
  • 1SG diamond track (firing battery, HHB) vs. brigade FA CSM track vs. MSG staff track for the E-8 zone.
    The E-8 zone decision at mid-to-late SFC is the most consequential of the rank. The 1SG diamond track for 13B / 13Z senior NCOs runs through firing battery 1SG or HHB (Headquarters and Headquarters Battery — the FA battalion's HHB). The brigade FA CSM track runs through the senior FA NCO progression at the brigade level — supporting the brigade FA CSM at MSG or SGM level for the bench-build toward FA battalion CSM. The MSG staff track runs through the FA branch staff billets — FA battalion S-3 NCOIC, brigade FA staff senior NCO, NTC / JRTC / JMRC senior OC/T fires, TRADOC senior cadre at Fort Sill, USAREC senior recruiter at MSG level. The decision is partly yours (which slate to express interest in) and mostly the FA battalion CSM's and the brigade FA CSM's. Most senior 13B / 13Z NCOs pinned 1SG at a firing battery or HHB; deviations exist into brigade FA CSM track and MSG staff billets.
  • Reenlistment / SRB decision at the SFC ETS / continuation window.
    The 13B / 13Z SRB (Selective Retention Bonus) for SFC is published in the current MILPER message and varies year over year with FA branch retention math. The reenlistment / continuation conversation with the FA branch career counselor at SFC level is structured around the 1SG / brigade FA CSM track timing, the Master Fires Sergeant Course conversation, the 131A WO decision (if not already made), and the post-service market planning window. The decision: stay if the 1SG / brigade FA CSM track timing aligns with the FA battalion CSM's read of your bench tier; transition only if the post-service market is genuinely open and the credential stack supports the move. Most SFCs at this rank stay through the 1SG window; deviations exist. Pull the current SRB MILPER before signing — the SRB tier and zone shift cycle to cycle.

How the Seat Varies by Unit Type

  • ABCT (Armored BCT) Paladin firing-platoon-sergeant at 1AD, 1ID, 3ID, 4ID, 1CD — M109A6 Paladin / M109A7 PIM self-propelled 155mm.
    The ABCT firing-platoon-sergeant runs a 4-gun Paladin platoon — M109A6 Paladin or M109A7 PIM (Paladin Integrated Management, the upgraded chassis program currently fielding across the ABCTs). Platoon composition includes the Paladin crews plus the FAASV (Field Artillery Ammunition Supply Vehicle, M992) crews that feed the howitzers. The platform is self-propelled, tracked, fully digital fire control; the platoon moves with the maneuver brigade on Bradley / Abrams pace. OPTEMPO is the ABCT's gunnery-and-CTC cycle (NTC heavy rotation, Europe rotational presence, gunnery density at Fort Cavazos — formerly Fort Hood, renamed 2023 — Fort Carson, Fort Bliss, Fort Riley). The ABCT Paladin PSG is differentiated for ABCT-aligned 1SG slates at firing battery and HHB.
  • IBCT (Infantry BCT) M119A3 105mm firing-platoon-sergeant at 10th MTN, 25th ID, 101st AAB, 82nd ABN, 173rd ABN.
    The IBCT firing-platoon-sergeant runs a 3-4 gun M119A3 platoon — the digital-fire-control 105mm towed howitzer that replaced the M119A2 across the IBCT FA battalions. Platoon composition is lighter and faster than Paladin — towed howitzer with HMMWV / FMTV prime mover, smaller crew footprint per gun, more dismount-capable for the platoon in air-assault or airborne operations. The platform is towed, digital fire control, faster emplacement than M777 or Paladin. OPTEMPO is the IBCT's rotational readiness model — JRTC rotations at Fort Johnson (formerly Fort Polk, renamed 2023, home of JRTC), JMRC rotations for the European-aligned brigades, deployments to CENTCOM / AFRICOM / EUCOM rotational presence. Airborne (82nd ABN at Fort Liberty — formerly Fort Bragg, renamed 2023) and air-assault (101st AAB at Fort Campbell) brigades carry the additional institutional credential demand. The M119A3 PSG is differentiated for IBCT-aligned 1SG slates.
  • SBCT (Stryker BCT) M777A2 155mm firing-platoon-sergeant at 2nd Cav (Europe), 1st SBCTs at JBLM / Fort Johnson / Wainwright.
    The SBCT firing-platoon-sergeant runs a 3-4 gun M777A2 platoon — the digital-fire-control 155mm towed howitzer that is the medium-mobility FA platform across the SBCTs and some IBCT FA battalions (verify against current SBCT TO&E). Platoon composition is between IBCT and ABCT — M777A2 towed howitzer with HMMWV / FMTV prime mover (some units field the LW155 prime mover variant), digital fire control, the Excalibur precision-guided round capability where fielded. OPTEMPO is the SBCT's rapid-deployment and rotational presence model — 2nd Cav rotates in Europe, the SBCTs at JBLM run a mix of JRTC / JMRC rotations and Pacific / European rotational presence. The M777 PSG is differentiated for SBCT-aligned 1SG slates.
  • DIVARTY (Division Artillery) senior FA NCO at SFC — the division-level senior FA NCO billet at a DIVARTY headquarters.
    DIVARTY is the division's senior FA headquarters, providing FA support to the division's BCTs and coordinating with the division G-3 fires shop. DIVARTYs are at Fort Sill (FA Center of Excellence), Fort Stewart (3ID DIVARTY), Fort Bliss (1AD DIVARTY), Fort Cavazos (1CD DIVARTY, formerly Fort Hood, renamed 2023), Fort Carson (4ID DIVARTY), Fort Drum (10th MTN DIVARTY), Fort Liberty (82nd ABN DIVARTY, formerly Fort Bragg, renamed 2023), and JBLM (7ID DIVARTY). The senior FA NCO at DIVARTY at SFC level is a brigade-equivalent senior FA NCO, mentoring the firing-platoon-sergeant bench across the division, integrating with the division G-3 fires staff, and operating alongside the DIVARTY commander (a COL) and the DIVARTY CSM. The SFC who pulls a DIVARTY tour is differentiated for the brigade FA CSM successor read at the next echelon.
  • 75th Ranger Regiment / SF Group / 160th SOAR senior fires NCO chain (the SOF FA / cannon support SFC track).
    The SOF cannon support track at SFC is a parallel career model. The 75th Ranger Regiment Regimental Special Troops Battalion has a Fires element with senior 13B / 13Z NCOs in Ranger-Regiment-specific organizational structure — selection runs through Ranger Regiment-specific assignment slates. The SF Group support battalions have senior FA NCO roles with select 13B / 13Z senior NCOs. The 160th SOAR fires support is a different track. The standard is higher in every dimension — OPTEMPO, training, joint integration, deployment cadence, joint duty rate. The slate at SFC level prefers the SOF FA senior NCO with a clean track record and the institutional credentials (Master Fires Sergeant Course, USASMA-track institutional development). Most SOF cannon-crew senior NCOs came up through line BCTs and selected over at SSG or earlier; deviations exist.

What Good Looks Like at This Rank

The good 13B firing-platoon-sergeant runs a platoon the FA battalion CSM is willing to send to the worst CTC rotation because they will not embarrass anyone — first-round time leads the FA battalion, ARTEP rating is T on the collective tasks across every section, and the BC defends the platoon at brigade BUB without surprises. His LT gets command-list. His SSGs make SFC. He is on the short list for First Sergeant of a firing battery or the FA battalion HHB before he sits the MLC seat. The Master Fires Sergeant Course is on the record brief or scheduled. The 131A WO accession decision is honestly settled — pursued, declined with a clear 1SG-track rationale, or in motion with a packet date. His own NCOER profile is honest — the senior rater (the BC or the FA battalion CSM) can defend every bullet, the FA battalion CSM knows the soldiers who got selected from his ratings, the year-group looks at his profile and sees the bench the firing platoon produced. SLC and MLC graduation are on the record brief; the BC and the FA battalion CSM have named him for the next 1SG slate; the FA branch senior NCO chain reads him as a credible MSG / 1SG candidate at a firing battery or HHB. The post-service market planning window is open at SFC; the SFC has started the conversation with defense-contractor FA-systems leadership (BAE M109 PIM cadre, Lockheed Martin Excalibur cadre, Raytheon Excalibur cadre, Hanwha Defense USA K9 cadre), training-center contractor leadership (the OC/T contractor billets at NTC / JRTC / JMRC), and federal civil service contacts at the FA Center of Excellence at Fort Sill. The SFC who is being groomed for 1SG looks different from the SFC who is competent at E-7. The grooming SFC is the one who graduated MLC with NCOLCoE faculty recognition (not just completion), who has two SSGs on the SFC bench he is actively building toward the next E-7 board, whose firing platoon's first-round time is the FA battalion's named reference at brigade BUB, whose Master Fires Sergeant Course is in motion or complete, whose 131A WO accession decision is settled, whose NCOER profile across the most recent 2-3 reports is the cleanest in the firing battery, whose CTC rotation fires AAR has his name in the credit lane, and who is honestly weighing the 1SG diamond track (firing battery, HHB) against the FA Center of Excellence senior cadre track or the brigade FA CSM track. The BC and the FA battalion CSM read both the credential stack and the bench-build over 30-36 months; the SFC who built both is the SFC who pins MSG and gets the 1SG diamond at a firing battery or the brigade FA CSM track tour.

Preview — The Next Rank

Master Sergeant and First Sergeant 13B / 13Z is the senior enlisted FA inflection — the rank where the BC, the FA battalion commander, the brigade FA CSM, or the DIVARTY commander names you in the slide without thinking. The seat changes meaningfully again: you are no longer running the firing-platoon-sergeant desk, you are running a firing battery 1SG diamond tour (6-8 guns, 100+ FA soldiers across cannoneers / FDC / forward observers) or a FA HHB 1SG diamond tour (the battalion's senior battery with the BN FDC, the BN targeting cell with the 131A WO, the BN signal and supply elements), or you are on the MSG staff track (FA battalion S-3 NCOIC at MSG level, brigade FA staff senior NCO, DIVARTY senior NCO at MSG level, NTC / JRTC / JMRC senior fires OC/T, Fort Sill schoolhouse senior cadre at the FA Center of Excellence, COCOM J3 fires staff senior NCO). The institutional development pivots from MLC (the E-7 to E-8 STEP gate, behind you at MSG / 1SG) to USASMA at Fort Bliss (the E-8 to E-9 STEP gate for the SGM / CSM track). The pressure at E-8 is the company-level command climate pressure (for 1SG track) or the brigade-level senior-NCO advisory pressure (for brigade FA CSM track or DIVARTY senior NCO track). The 1SG diamond at a firing battery means running a 100-130 soldier company with a complex equipment footprint — multiple howitzers, prime movers, FDC and comm suites, ammunition and fuze handling, the FAASV fleet in ABCT — plus the orderly room, the supply room, the training calendar, and the readiness reporting. The 1SG diamond at a FA HHB means running the battalion's headquarters company with the radars (AN/TPQ-50 lightweight counterfire radar at the BN BFRT — Battlefield Fire Reconnaissance Team — element, AN/TPQ-53 at higher echelon), survey and meteorological sections, FDC, the BN targeting cell with the 131A WO interface, and the battalion staff enlisted force. The post-service market at E-8 expands further. Defense-contractor senior FA leadership (site lead, senior FA SME, OC/T contractor lead at NTC / JRTC / JMRC, FA-systems prime contractor leadership at BAE / Lockheed Martin / Raytheon / Hanwha Defense USA); federal civil service GS-13 to GS-14 fires-advisor billets at COCOM J3 fires shops, division G-3 fires staff, BCT-level civilian fires positions, FA Center of Excellence civilian advisor positions at Fort Sill; consulting at the senior fires advisor level for DoD fires consultancies. The clearance, the institutional credentials (SLC, MLC, USASMA if SGM-track, Master Fires Sergeant Course), and a clean NCOER profile are the post-service package. The senior 13B / 13Z NCOs who landed the best post-service careers planned the transition 24-36 months ahead; the senior NCOs who treated retirement as the next assignment slate are the ones whose post-service careers compound the pension and TSP into the final financial inflection of the career.
FAQ

13B E7 — Frequently Asked Questions

Q01What does a E7 13B (Cannon Crewmember) actually do?
You run a firing platoon's enlisted side — training, evaluations, schools, promotions, discipline, equipment, family readiness.
Q02What's the most important thing to know as a E7 13B?
Sergeant First Class 13B is the firing-platoon-sergeant rank — three to four howitzer sections, 20-30 cannoneers, and the full weight of the platoon's gunnery program.
Q03What does a typical day look like for a E7 13B?
Time-blocked day at the E7 13B rank tier: 0500 Wake. PT uniform on. Phone check — overnight firing platoon events. SSG section chief in trouble? Howitzer maintenance deadline? FAASV ammunition discrepancy in ABCT? Cannoneer family emergency? CTC train-up issue? BC's priority call? The SFC who lets the phone go to voicemail at this rank is the SFC who hears about it from the BC or the FA battalion CSM the wrong way, 0530 PT formation with the firing battery. You report platoon accountability to the 1SG;…
Q04What mistakes get E7 13B soldiers fired or relieved?
DUI / Article 15 / fraternization at this rank — career-ending in the FA community. The 13B senior NCO chain at SFC is structurally small; the BC, the FA battalion CSM, the brigade FA CSM, and the FA branch senior NCO chain at Fort Sill all hear within 48 hours, and the next E-8 board reads it on paper; Coasting through MLC. MLC instructors at NCOLCoE Fort Bliss talk to the senior NCO chain across branches;…
Q05What career decisions matter most at the E7 13B rank tier?
Firing-platoon-sergeant tour at line BCT firing battery vs. career-broadening tour (Drill Sergeant at 434th FA Brigade Fort Sill / TRADOC instructor at FA School / NTC-JRTC-JMRC OC/T / USASOC enabler / FA Center of Excellence senior NCO at Fort Sill) — The default 13B SFC path is firing-platoon-sergeant at a line BCT firing battery — the load-bearing E-7 seat in the cannon FA enlisted force. The career-broadening tours produce different NCOER narratives and different post-service markets: Drill Sergeant at the 434th FA Brigade at Fort Sill (24 months under the X4 Drill Sergeant ASI,…
Q06What's next after E7 for a 13B (Cannon Crewmember) in the Army?
Master Sergeant and First Sergeant 13B / 13Z is the senior enlisted FA inflection — the rank where the BC, the FA battalion commander, the brigade FA CSM, or the DIVARTY commander names you in the slide without thinking.
Q07What manuals and regulations does a E7 13B need to know cold?
TC 3-09.81 — Field Artillery Manual Cannon Gunnery; FM 3-09 — Field Artillery Operations.; ATP 3-09.50 — The Field Artillery Cannon Battery; ATP 3-09 — Fires.; AR 350-1 + DA PAM 350-9 — Training; ATP 7-22.01 — Holistic Health and Fitness Testing.

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