| Abbreviation | Definition |
|---|---|
| BGM-109 | Tomahawk Missile |
| BGM-109G | Gryphon Missile (GLCM) |
| BGM-71 | TOW missile 16 |
| BGMTS | Bradley Gunner and Missile Target System |
| BGO | Blue and Gold Officer |
| BGP | Broader Gateway Protocol |
| BGPHES | Battle Group Passive Horizon Extension System |
| BGPO | Battle Group Project Officer |
| BGRA | Brigadier-General Royal Artillery |
| BGS | Breathing Gas System |
| BGTT | Battle Group Tactical Trainer |
| BGU | Basic Generation Unit |
| BGW | Battlefield Guided Weapon |
| BH | BCXXI Hand held Terminal Unit |
| BH | behavioral health |
| BHAD | Black Hills Army Depot |
| BHAI | Black Hills Army Installation |
| BHC | Bosnia-Hercegovina Command |
| BHCC | Black Hawk Conference Center |
| BHLH | Sir Basil H. Liddell Hart |