| Acronym | Meaning |
 | AMCB | U.S. Army/Marine Corps Board |
| TEETH | Tried Everything Else |
| HA | Haiti (FIPS 10-4 Country Code) -High Availability |
| ITK | In The Know |
| RDA | Research |
| NAVSPACECOM | U.S. Navy Space Command |
| CM | Cameroun (FIPS 10-4 Country Code; ISO 3166 Digram) -Cruise Missile -Nine Hundred (in Roman Numerals) |
| CMA | U.S. Chemical Materials Agency |
| KNA | Saint Kitts And Nevis (ISO 3166 Trigram) |
| CWS | Canadian Wildlife Service |
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