| Acronym | Meaning |
| CK | Cocos (Keeling) Islands (FIPS 10-4 Country Code) - Cook Islands (ISO 3166 Digram) |
| R2I | Resistance To Interrogation |
| BDT | Bangladeshi Taka (ISO 4217 Currency Code) -Bureau De D?veloppement Des T?l?communications (Telecommunication Development Bureau |
| WASP | White Anglo-Saxon Protestant - Wide Angle Search For Planets - Women Airforce Service Pilots |
| CNV | Copy-Number Variable (genetics) |
| ATCCIS | Army Tactical Command And Control Information System |
| IVIS | Inter-Vehicle Information System |
| TOA | Table Of Authorities - Total Obligation Authority (accounting) |
| TON | Tongan Language (ISO 639-2 Code) |
| SRB | Solid Rocket Booster |