| Acronym | Meaning |
| AX | land Islands (ISO 3166 Digram) |
| NACC | North Atlantic Cooperation Council |
| MSL | Mars Science Laboratory - Mean Sea Level -Missile |
| DTSA | (U.S.) Defense Technology Security Administration |
| CCIT | Comit? Consultatif International T?l?graphique (French For International Telegraph Consultative Committee |
| SBCCOM | U.S. Army Soldier And Biological Chemical Command (disbanded 2003) |
| ADDNS | Advanced Deployable Day/Night Simulation |
| STA | Scheduled Time Of Arrival - Surveillance And Target Acquisition |
| PAPI | Precision Approach Path Indicator (aviation) |
| RAP | Radio Access Point - Radiological Assistance Program (U.S. Department Of Energy) - Rear Area Protection - Recognised [Operating/Operational] Air Picture - Recurring Advance Payment - Relational Associative Processor - Reliable Acoustic Path - Rocket-Assis |