| Acronym | Meaning |
| EFV | Expeditionary Fighting Vehicle |
| SEAL | SEa-Air-Land |
| STD | S?o Tom? And PrĀncipe Dobra (ISO 4217 Currency Code) -Sexually Transmitted Disease |
| NEX | Navy EXchange |
| RTT | Round Trip Timing |
| UPU | Universal Postal Union |
| FSA | Fire Support Area - UK Food Standards Agency - Functional Solution Analysis |
| VSR | Very Special Relativity |
| LRAD | Long Range Acoustic Device (ell-rad) |
| TR | Turkish Language (ISO 639-1 Code) |