| Abbreviation | Definition |
|---|---|
| NBCCS | Nuclear, Biological, and Chemical (NBC) Contamination Survivability |
| NBCRS | Nuclear, Biological, Chemical Reconnaissance System |
| NBCS | Nuclear, Biological, Chemical Suit |
| NBCWRS | Nuclear, Biological, and Chemical Warning and Reporting System |
| NBD | No Bloody Infantry |
| NBD | No Bodies, Dead |
| NBDL | Narrow Band Data Link |
| NBDP | Narrow Band Direct Printing |
| NBG | Naval Beach Group |
| NBG | No Bloody Good |
| NBI | Non-Battle Injury |
| NBI | Nothing But Infantry |
| NBK | Natural Born Killer |
| NBNR | National Band of the Naval Reserve |
| NBP | Network Bridge Processor |
| NBP | Non Budget Program |
| NBPRP | National Board for the Promotion of Rifle Practice |
| NBSD | Naval Base San Diego |
| NBST | Narrowband Secure Terminal |
| NBV | Nothing But Victory |