| Acronym | Meaning |
| ST | Saint Lucia (FIPS 10-4 Country Code) - S?o Tom? And PrĀncipe (ISO 3166 Digram) |
| INCITS | InterNational Committee For Information Technology Standards |
| LUT | Limited User Test(ing) - Local User Terminal |
| AOR | Area Of Responsibility |
| CSK | Czechoslovakia (ISO 3166 Trigram; Obsolete Since 1993) |
| ZUG | Z User Group |
| CTS | Clear-To-Send - Collective Training Standards - Communications Technology Service - Contract Technical Services - Conversation Time Sharing - COSMIC Top Secret |
| DEPSECDEF | (U.S.) Deputy Secretary Of Defense |
| CSRC | Conflict Studies Research Centre |
| AKST | Alaska Standard Time (UTC-9 Hours) |