| Acronym | Meaning |
| LAD | Laser Aiming Device |
| LLAD | Low Level Air Defence |
| DICASS | DIrectional Command Activated Sonobuoy System |
| BRIMS | Behavior Representation In Modeling And Simulation (conference) |
| PK | Pakistan (ISO 3166 And FIPS 10-4 Country Code Digram) - Petakelvin -Player Kill[er] - Probability Of Kill -PolyKetone -Pulemet Kalashnikova (Russian ?? ??????? ??????????? |
| TOT | Time On Target |
| FMCA | Federal Magistrates' Court Of Australia (used For Citing Decisions Of The FMC Other Than Family Law Decisions) |
| AM | Americium |
| AGU | American Geophysical Union |
| PAHO | Pan American Health Organization |