| Acronym | Meaning |
 | GK | Gigakelvin - Guernsey (FIPS 10-4 Territory Code) |
| GRB | Gamma-Ray Burst |
| OTI | Office Of Transition Initiatives (United States Agency For International Development) |
| FF | Final Fantasy |
| SIGINT | Signals Intelligence |
| NFA | No-Fire Area |
| Y | Yocto |
| COMECON | Council For Mutual Economic Assistance (economic Counterpart Of The Warsaw Pact |
| DUSD | (U.S.) Deputy Under-Secretary Of Defense |
| HT | Haiti (ISO 3166 Digram) -High Temperature - Hoc Tempore (Latin |
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