| Acronym | Meaning |
| Y2K | Year Two Thousand |
| DMSP | U.S. Defense Meteorological Satellite Program |
| UMCP | Unit Maintenance Collection Point |
| Q1 | First Quarter |
| TANSTAAFL | There Ain't No Such Thing As A Free Lunch (coined By Author Robert A. Heinlein In His The Moon Is A Harsh Mistress) |
| ACID | Atomicity |
| KI | Gikuyu Language (ISO 639-1 Code) |
| DB | Dubnium |
| FFG | Guided Missile Frigate (hull Classification Symbol) |
| MAC | Macao (ISO 3166 Trigram) -U.S. Military Airlift Command (1966-1992) |