| Abbreviation | Definition |
|---|---|
| BUF | Backup Facility |
| BUFF | Buffalo (nickname for B-52 bomber) |
| BUGS | Basic UXO ( Unexploded Ordnance) Gathering System |
| BUIC | Back- Up Interceptor Control |
| BUICS | Back- Up Interceptor Control System |
| BULK | BULK Cargo |
| BULLSHIT | Because of the Ultra Low Levels of the quality of this product, Special High Intensity Testing is required |
| BUMEDINST | BUreau of MEDicine and Surgery INSTruction |
| BUNC | Belgian United Nations Command |
| BUND | Built-Up Natural Defense |
| BUNE | British Undersea Naval Engineers |
| BUNT | British Underground Nuclear Test |
| BUP | Back- Up Plate |
| BUP | Back-Up Plate |
| BUPERS | Bureau of Naval Personnel |
| BUPERSINST | Bureau of Naval Personnel Instruction |
| BUR | Bottom- Up Reconciliation |
| BUR | Buried |
| BUR | Buried at .... |
| BURFORCE | Bottom-Up-Review Force |