| Acronym | Meaning |
| USD(P) | (U.S.) Under-Secretary Of Defense (Policy) |
| TIR | Tigrinya Language (ISO 639-2 Code) |
| WCW | World Championship Wrestling |
| HMO | Health Management Organization |
| JCIDS | Joint Capabilities Integration And Development System |
| LT | Lieutenant |
| LW | Land Warrior - Low Water (nautical Charts) |
| MO | Molybdenum |
| SNG | Satellite News Gathering (television) |
| MATS | U.S. Military Air Transport Service (1948-1966) |