| Acronym | Meaning |
| SIF | Selective Identification Feature |
| J1 | Joint [Manpower &] Personnel Directorate |
| OFA | Occipital Face Area |
| ADS | Active Denial System - Astrophysics Data System - Attention Deficit Syndrome |
| DP | Decision Point - Dynamic Programming |
| ARCENT | United States Army Central Command |
| PEBCAC | Problem Exists Between Chair And Computer (IT Help Desk In-joke) |
| YJ | Yottajoule |
| MNB | Multinational Brigade |
| JN | Jan Mayen Island (FIPS 10-4 Territory Code) |