| Acronym | Meaning |
| RCS | Radar Cross-Section - Revision Control System - Reaction Control System |
| AAN | American Academy Of Nursing |
| MST | Madison Symmetric Torus - Mountain Standard Time (UTC-7 Hours) |
| WBE | Work Breakdown Element |
| ACES | Aerolineas Centrales De Colombia |
| KIR | Kyrgyz Language (ISO 639-2 Code) |
| FARC | Fuerzas Armadas Revolucionarias De Colombia (Spanish |
| BTU | British Thermal Unit |
| MIA | Missing In Action |
| FBIS | Foreign Broadcast Information Service |