| Acronym | Meaning |
| GMBH | Gesellschaft Mit Beschr?nkter Haftung (German |
| UE | Unit Of Employment |
| R3P | Rearm |
| FAQ | Frequently Asked Questions (sometimes Pronounced Fak) |
| SEM | Sensor Employment Manager |
| DGA | Direction G?n?rale Des Arm?es (French Armed Forces General Directorate) |
| VTOL | Vertical Take-Off & Landing |
| APOLLO | Apache Point Observatory Lunar Laser-ranging Operation |
| SECDEF | (U.S.) Secretary Of Defense |
| YAC | Youth-Adult Committee |