Air Force slang & terms

Includes terms used across all branches. Informal usage varies by unit and era.

Time & radio

Charlie Mike

Continue Mission · CM

All

Continue mission; keep going with the assigned task.

“We lost the coffee, but we Charlie Mike.”
Insults & nicknames (friendly)

Chair Force

Air Force

A joking nickname for the Air Force that teases its reputation for comfortable working conditions.

“The Chair Force visitor appreciated our folding chairs.”
Gear & uniforms

BCGs

Birth Control Glasses · BCG

All

Birth Control Glasses, a joking name for older, conspicuous military-issued eyeglasses.

“My BCGs survived another field exercise.”
Chow & barracks life

Chow

All

Food or a meal.

“We stop for chow at noon.”
Chow & barracks life

Chow hall

DFAC · Dining Facility · Chow hall / DFAC

All

A place where service members eat; DFAC means dining facility, especially in Army usage.

“Meet me at the chow hall.”
Chow & barracks life

MRE

Meal Ready to Eat

All

Meal, Ready-to-Eat: a packaged field ration designed to be eaten without a kitchen.

“I traded my MRE crackers for coffee.”
Chow & barracks life

Latrine

ArmyAir Force

A toilet or restroom, particularly in a military camp.

“The latrine is beside the barracks.”
Insults & nicknames (friendly)

Geardo

All

Someone especially enthusiastic about buying or collecting tactical gear.

“Our geardo has a pouch for his pouches.”
Ranks & people

Doc

All

An informal, respectful name for a medic, corpsman, or military medical professional.

“Doc reminded us to hydrate.”
Ranks & people

Butter bar

All

A nickname for a new second lieutenant or ensign, referring to the gold rank bar.

“The butter bar brought a fresh notebook.”
Ranks & people

Mustang

All

A commissioned officer who previously served as an enlisted member.

“The mustang remembered barracks inspections well.”
Time & radio

Zero dark thirty

Oh-dark-thirty · Oh dark thirty

All

An informal expression for a very early hour before daylight; it is not an exact time.

“We assembled at zero dark thirty.”
Time & radio

Lima Charlie

All

Loud and Clear, expressed through the phonetic letters L and C; a report that a radio signal is easy to hear.

“Your radio is Lima Charlie.”
Time & radio

Roger

All

I received your last transmission; it does not by itself mean yes or a promise to comply.

“Roger, I received the update.”
Time & radio

Wilco

All

Will Comply: the message is understood and the instruction will be carried out.

“Wilco, I will bring the roster.”
Time & radio

Tango Uniform

All

Phonetic shorthand for a crude expression meaning broken or out of service; this is the polite meaning.

“The printer went Tango Uniform again.”
Acronyms

FUBAR

Fouled Up Beyond All Recognition

All

Fouled Up Beyond All Recognition, the polite expansion; badly broken or hopelessly disorganized.

“The filing system was FUBAR.”
Acronyms

SNAFU

Situation Normal All Fouled Up

All

Situation Normal: All Fouled Up, the polite expansion; a familiar mess or complication.

“A scheduling SNAFU moved lunch again.”
Acronyms

BOHICA

Bend Over Here It Comes Again

All

Bend Over, Here It Comes Again, the polite expansion; resigned humor about another unwelcome development.

“Another last-minute change: BOHICA.”
Acronyms

NCO

Noncommissioned Officer

All

Noncommissioned Officer: an enlisted leader appointed to a leadership rank rather than commissioned as an officer.

“Ask the NCO for the packing list.”
Insults & nicknames (friendly)

Blue falcon

All

A person accused of betraying teammates or causing them trouble for personal benefit; a polite substitute for a cruder label.

“Do not be a blue falcon over a parking spot.”
Acronyms

CQ

Charge of Quarters

ArmyAir Force

Charge of Quarters: duty overseeing a barracks or similar area, often outside normal working hours.

“I have CQ this weekend.”
Acronyms

PCS

Permanent Change of Station

All

Permanent Change of Station: an official move to a new duty location.

“Our PCS is scheduled for summer.”
Acronyms

TDY

Temporary Duty

ArmyAir ForceSpace ForceCoast Guard

Temporary Duty: a short assignment away from the normal duty station.

“I am on TDY next week.”
Acronyms

DD-214

DD214 · DD 214

All

A separation document recording qualifying military service, often needed to apply for veterans' benefits.

“Keep a secure copy of your DD-214.”
Chow & barracks life

Terminal leave

All

Approved leave taken immediately before separation or retirement, while still in military status.

“Terminal leave starts next month.”
Ranks & people

Airman

Air Force

A member of the Air Force; also part of several junior enlisted rank titles.

“The airman inspected the checklist.”
Acronyms

AFSC

Air Force

Air Force Specialty Code: a code identifying an Air Force career specialty. The Space Force equivalent is a Space Force Specialty Code (SFSC).

“Her AFSC was listed in the record.”
Ranks & people

Crew chief

Air ForceArmyMarinesNavy

A maintainer or aircrew specialist responsible for an aircraft, with duties varying by service and aircraft type.

“The crew chief checked the aircraft records.”
Ranks & people

Maintainer

Air ForceSpace ForceArmyNavyMarinesCoast Guard

A service member who services and repairs military equipment.

“The maintainer spotted the fault.”
Gear & uniforms

Bird

All

An informal name for an aircraft.

“The bird is ready for its next flight.”
Time & radio

Oscar Mike

All

On the Move, expressed with the phonetic letters O and M.

“We are Oscar Mike after the brief.”
Time & radio

Mike

All

The phonetic word for M, also used informally for a minute in some military contexts.

“Give me five mikes.”
Time & radio

Klick

All

A kilometer, approximately 0.62 miles.

“The checkpoint is one klick away.”
Acronyms

Sitrep

All

Situation Report: a concise update on current conditions or progress.

“Send a sitrep before lunch.”
Acronyms

AAR

All

After Action Review: a discussion of what happened, what worked, and what to improve.

“We held an AAR after the exercise.”
Acronyms

OPSEC

All

Operations Security: protecting information that could reveal sensitive activities or plans.

“Think OPSEC before posting online.”
Acronyms

PERSEC

All

Personal Security: protecting personal information and reducing risks to individuals.

“Use good PERSEC with travel details.”
Acronyms

PT

All

Physical Training: exercise intended to build or maintain fitness.

“PT begins before breakfast.”
Gear & uniforms

PT belt

ArmyAir Force

A reflective belt worn for visibility during physical training or in designated work areas.

“Bring your PT belt for the run.”
Time & radio

Reveille

All

A morning wake-up signal or ceremony; practices vary by installation and service.

“Reveille sounded before sunrise.”
Time & radio

Taps

All

A bugle call associated with lights out and military funerals or memorial ceremonies.

“Everyone stood quietly for Taps.”
Gear & uniforms

Colors

All

A national or unit flag; also a ceremony associated with raising or lowering the national flag.

“We paused for morning colors.”
Chow & barracks life

Leave

All

Authorized absence from duty charged against an accrued leave balance.

“My leave request was approved.”
Chow & barracks life

Pass

ArmyAir ForceSpace Force

An authorized short absence from duty that generally does not use accrued leave, subject to service rules.

“The commander approved a weekend pass.”
Chow & barracks life

Barracks

All

Military living quarters, commonly for junior enlisted personnel.

“The barracks inspection is tomorrow.”
Gear & uniforms

Gig line

ArmyAir Force

The straight alignment of shirt opening, belt buckle, and trouser fly in applicable uniforms.

“Check your gig line before inspection.”
Ranks & people

Squared away

All

Organized, prepared, and meeting the expected standard.

“That team is squared away.”
Insults & nicknames (friendly)

Un-sat

All

Short for unsatisfactory; below the required standard.

“Leaving the door unsecured is un-sat.”
Ranks & people

Voluntold

All

Assigned a task while it is presented as though you volunteered.

“I was voluntold to carry the cooler.”
Ranks & people

Reenlistment

All

Signing up for another period of enlisted military service.

“The reenlistment ceremony was on Friday.”
Acronyms

CO

All

Commanding Officer: the officer in command of a unit or vessel.

“The CO approved the plan.”
Acronyms

XO

All

Executive Officer: an officer who assists the commander and often coordinates daily operations.

“The XO reviewed the schedule.”
Acronyms

COMSEC

All

Communications Security: measures used to protect communications from unauthorized access or exploitation.

“Follow COMSEC procedures with the equipment.”
Acronyms

FOB

ArmyMarinesAir Force

Forward Operating Base: a position used to support operations away from a main base.

“The convoy returned to the FOB.”
Acronyms

CONUS

All

Continental United States; in military administrative usage, the 48 contiguous states and the District of Columbia.

“The assignment is CONUS.”
Acronyms

OCONUS

All

Outside the Continental United States; includes overseas locations and, for many administrative purposes, Alaska and Hawaii.

“The next move is OCONUS.”