B
- BAMCIS – Begin planning Arrange Recon Make the plan Complete the plan Issue the order Supervise (US Navy Seabees)
- BAH – Basic Allowance for Housing
- BAR – Browning Automatic Rifle
- BAU – Behavioural Analysis Unit
- BCG – Birth Control Glasses (U.S. Military)
- BCT – Basic Combat Training (U.S. Army)
- BDF – Barbados Defence Force (Barbados)
- BDU – Battle Dress Uniform (U.S. Military)
- Be – Beriev (Russian)
- BEA – Budget Execution Authority (U.S. Navy)
- BFT – Blue Force Tracker (U.S. Military)
- BG – Bodyguard
- BGHR – By God He's Right (U.S Military)
- BLUF – Bottom Line Up Front (US Military)
- BMNT – Begin Morning Nautical Twilightight (U.S Army)
- BOHICA – Bend Over Here It Comes Again (US Military)
- BRAC – Base Realignment And Closure Commission
- BRAT (American)– Born RaisedAndTransferred (American usage, refers to dependent children of military personnel) Usually Pronounced "Military Brat" (Or "Air Force BRAT", or Army "Brat", Navy "Brat" etc.).
- BRAT (British)– British RegimentAttachedTraveler (British military usage, may have been the original usage, which was later adapted to the American military: Means "child that travels with a soldier") Usually pronounced "Military Brat" or "Base Brat".
- BUB – Battle Update Brief
- BVR – Beyond Visual Range (USAF)
- BX – Base Exchange (USAF)
Read more about this topic: List Of U.S. Government And Military Acronyms