| Acronym | Meaning |
| YB | Ytterbium |
| MT | Maltese Language (ISO 639-1 Code) |
| PMCS | Partial Mission Capable Supply (SM&R Code) - Power Management Control System - Professional Military Comptroller School |
| USD(AT&L) | (U.S.) Under-Secretary Of Defense For Acquisition |
| NICAP | National Investigations Committee On Aerial Phenomena |
| C | Centi |
| YA | Yottayear |
| TAACOM | U.S. Theater Army Area Command |
| AFOSR | U.S. Air Force Office Of Scientific Research |
| DAU | (U.S.) Defense Acquisition University |