Skip to main content
HonestMOS
●InvestigationsCongress made VA disability claims free to file. An entire industry charges veterans anyway — and nobody can stop them.→
Reference Guide

BOLC, TBS & Commissioning School Guide

Every US military commissioning follow-on school in one place. Duration, location, housing situation (barracks vs. BAH), the gap between commissioning and your report date, and what training actually looks like — compared across branches.

The Gray Period — What Nobody Briefs You On
Between commissioning and your BOLC or TBS report date, you exist in a bureaucratic gray zone. You are a commissioned officer drawing full pay, but you are often not yet assigned to an operational unit. This period can last 2–6 months for Army officers. During this time you may be attached to a “casual” company, on leave, or doing administrative tasks at an installation near home. BAH status during this period depends on your specific orders and dependent status. Most new officers are not warned about this gap in advance. Plan your finances — and your living situation — accordingly.
Does BOLC Count Toward Your ADSO?
Your Active Duty Service Obligation (ADSO) begins at commissioning, not BOLC graduation. The time spent in training counts against your obligation — it is not added time. If you commissioned with a 4-year ADSO, your clock started running the day you pinned on, even if you spent the first 6 months in a casual company waiting for a BOLC class date. Calculate your earliest separation date accordingly.
Filter by Branch
Filter by Duration
Showing 12 of 12 schools
ArmyBarracks

Infantry BOLC

Fort Moore, GAApproximately 18 weeks [verify — may have changed]
Pay:Full O-1 base pay throughout training.
Housing:Barracks. Single officers assigned to government quarters generally do not receive BAH. Officers with dependents may retain BAH for family — confirm with HRC.
Wait / Gray Period
Typically 2–6 months between commissioning and BOLC report date. You are in a "holding" status — often attached to a casual company or on leave. BAH status during this period depends on your specific orders.
ArmyBarracks

Armor BOLC

Fort Moore, GAApproximately 16 weeks [verify — may have changed]
Pay:Full O-1 base pay.
Housing:Barracks at Fort Moore. BAH rules same as Infantry BOLC — single officers in government quarters generally do not receive BAH.
Wait / Gray Period
2–6 months between commissioning and BOLC report date. Gray-period holding status typical.
ArmyBAH possible

Aviation BOLC + Flight School (IERW)

Fort Novosel, AL (formerly Fort Rucker)BOLC ground phase ~18 weeks; total pipeline including IERW flight school is 12–18+ months depending on airframe. [verify — varies by class]
Pay:Full O-1 (and O-2 upon promotion) pay throughout the pipeline.
Housing:Housing allowance typically provided during the flight school pipeline — verify current BAH/housing entitlements at Fort Novosel for your dependent status.
Wait / Gray Period
Aviation officers commission and enter the training pipeline quickly — limited gray period compared to combat arms. Total commitment from commissioning to first operational unit is roughly 18+ months.
ArmyBarracks

Cyber BOLC (17A)

Fort Eisenhower, GA (formerly Fort Gordon)Approximately 26 weeks (6 months) [verify — pipeline length adjusts periodically]
Pay:Full O-1 base pay.
Housing:Mix of barracks and BAH depending on dependent status and housing availability — verify with receiving unit at Fort Eisenhower.
Wait / Gray Period
One of the longer BOLC pipelines. Plan for 6+ months of training before first unit report. Gray period between commissioning and start can be 2–4 months. TS/SCI clearance must be in hand before attending — clearance delays can extend your gray period significantly.
ArmyBarracks

Military Intelligence BOLC (35A)

Fort Huachuca, AZApproximately 16 weeks [verify]
Pay:Full O-1 base pay.
Housing:Barracks or post housing — verify current policy with receiving unit. Fort Huachuca is remote; limited off-post housing options in the immediate area.
Wait / Gray Period
2–4 months holding between commissioning and BOLC report date is typical. Clearance processing can extend this.
ArmyBarracks

Signal BOLC (25A)

Fort Eisenhower, GAApproximately 22 weeks [verify — pipeline length adjusts]
Pay:Full O-1 base pay.
Housing:Barracks — verify current BAH policy at Fort Eisenhower for your dependent status.
Wait / Gray Period
Longer pipeline; expect 5+ months of training before first unit.
ArmyBarracks

Finance BOLC (36A)

Fort Jackson, SCApproximately 13 weeks [verify]
Pay:Full O-1 base pay.
Housing:Barracks at Fort Jackson — verify BAH entitlements for dependent status.
Wait / Gray Period
2–4 months gray period between commissioning and report date typical.
MarinesBarracks

The Basic School (TBS)

Quantico, VA26 weeks (6 months)
Pay:Full O-1 base pay.
Housing:Barracks at Quantico. Single officers live in provided government quarters and generally do not receive BAH. Officers with dependents verify current policy — Quantico housing availability is limited and competitive. [verify current BAH policy]
Wait / Gray Period
TBS begins shortly after OCS graduation for the same-summer commissioning cohort, or after ROTC commissioning in June. Minimal gray period compared to Army BOLC. Marine Corps moves officers into the pipeline faster.
NavyVaries

Surface Warfare Officer School (Basic Division Officer Course)

Newport, RIApproximately 16 weeks for BDOC [verify — course structure changes periodically]
Pay:Full O-1 base pay.
Housing:Newport area housing — verify current policy for single vs. dependent officers. Newport is expensive.
Wait / Gray Period
Gap between commissioning and SWOS report typically 3–6 months. Some officers complete initial classroom phases before ship assignment; some go directly to their ship.
NavyVaries

Submarine Officer Pipeline (NPTU + SOBC)

Nuclear Power School: Goose Creek, SC — Prototype: varies — SOBC: Groton, CTNuclear Power School (~6 months) + prototype training (~6 months) + SOBC (~5 months) = approximately 18 months total pipeline. [verify current lengths]
Pay:Full O-1 (and O-2 upon promotion) pay throughout the pipeline.
Housing:Housing allowance varies by phase and location — verify at each duty station. Groton, CT area housing market.
Wait / Gray Period
Must complete nuclear power training pipeline BEFORE SOBC. Total time from commissioning to first submarine report is typically 18+ months. This is intentional — nuclear-qualified personnel require extensive training before operating reactors at sea.
Air ForceBAH possible

Undergraduate Pilot Training (UPT)

Columbus AFB (MS), Laughlin AFB (TX), Sheppard AFB (TX), Vance AFB (OK) — assigned by class availabilityApproximately 52 weeks (1 year) [verify — track selection affects total length]
Pay:Full O-1 (and O-2 upon promotion) pay throughout UPT.
Housing:On-base housing or BAH at assigned base — verify by specific base and dependent status. Some UPT bases are in small towns with limited off-base housing.
Wait / Gray Period
Wait between commissioning and UPT class assignment can range from 6 to 18+ months. During this "casual" period you typically work an administrative or support role on base while waiting for a class slot. This gap is one of the most under-briefed aspects of the Air Force officer experience.
Air ForceBAH possible

Undergraduate Combat Systems Officer Training (UCOT) / Navigator Training

Randolph AFB / Joint Base San Antonio, TX [verify current location]Approximately 42 weeks [verify — pipeline has been reorganized in recent years]
Pay:Full O-1 base pay.
Housing:On-base housing or BAH — verify for San Antonio area.
Wait / Gray Period
Similar casual period as UPT — 6–12+ months between commissioning and class slot is possible.
Data Sources & Accuracy
Duration and housing data is drawn from publicly available branch training command publications, OCS/ROTC guidance documents, and commonly reported experience across the officer community. Items marked “[verify — may have changed]” are particularly subject to change. Training pipelines are reorganized periodically. Always confirm current details with your branch HRC, OCS/ROTC cadre, or gaining unit before making financial or housing decisions. This tool is a reference starting point, not an authoritative source.
Know something that’s changed?

Attended BOLC or TBS recently? Pipeline lengths and housing policies change more often than the official publications suggest. Your first-hand intel helps the next cohort of officers plan their finances, their move, and their expectations.

Junior Officer Finance Guide →
Published by the Honest MOS Editorial DeskVerified against DoD/.gov sourcesUpdated May 2026Editorial standards