| Acronym | Meaning |
| PIG | Pipeline Inspection Gauge |
| BETS | Bradley Embedded Training System |
| TTY | TeleTYpewriter (Printer) |
| GEV | Ground Effect Vehicle |
| TWAT | The War Against Terror |
| CFZ | Critical Friendly Zone |
| BDD | Body Dysmorphic Disorder - British Defence Doctrine |
| E&OE | Errors And Omissions Excepted |
| RDD | Radiological Dispersion Device |
| PNP | Partido Nuevo Progresista - Plug 'N' Play/Pray - Positive Negative Positive |