| Acronym | Meaning |
| CAP | Combat Air Patrol - Civil Air Patrol - Common [Operating/Operational] Air Picture - Crisis Action Procedures - Common Agricultural Policy |
| SDP | Social Democratic Party (European Politics) |
| ATG | Antigua And Barbuda (ISO 3166 Trigram) |
| ADAT | Alesis Digital Audio Tape (recording Format) |
| FOB | Forward Operating Base |
| PMMA | PolyMethylMethAcrylate |
| ATK | Attack |
| TJD | Truncated Julian Day |
| PCI | U.S. Pacific Islands Trust Territory (ISO 3166 Trigram; Obsolete 1986) -Peripheral Component Interconnect (computer Bus) |
| WWI | World War I |