| Acronym | Meaning |
| DPMO | (U.S.) Defense Prisoner Of War/Missing Personnel Office |
| HIT | Head Injection Technology |
| NKA | No Known Allergies |
| TZ | Tanzania (ISO 3166 And FIPS 10-4 Country Code Digram) |
| FLA | Florida -Front Line Assembly - Future Large Aircraft |
| RWA | Rwanda (ISO 3166 Trigram) |
| USDI | United States Department Of The Interior |
| YJ | Yottajoule |
| USSPACECOM | United States Space Command |
| AV | Attovolt |