| Acronym | Meaning |
 | AFROTC | Air Force Reserve Office Training Corps |
| TWI | The Welding Institute |
| RCS | Radar Cross-Section - Revision Control System - Reaction Control System |
| DISA | U.S. Defense Information Systems Agency |
| MBM | Meat And Bone Meal |
| DCC | Digital Command Control (model Railroading) - Direct Client-to-Client (Internet Relay Chat) - Dismounted Close Combat |
| G4 | Generation Four PowerPC Microprocessor -Assistant Chief-of-Staff |
| NAVCENT | Naval Forces U.S. Central Command |
| INMARSAT | International Maritime Satellite Organization |
| NRO | U.S. National Reconnaissance Office |
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