| Acronym | Meaning |
| PK | Pakistan (ISO 3166 And FIPS 10-4 Country Code Digram) - Petakelvin -Player Kill[er] - Probability Of Kill -PolyKetone -Pulemet Kalashnikova (Russian ?? ??????? ??????????? |
| AJP | Allied Joint Publication |
| AAD | Analogue-Analogue-Digital (CD Quality) - Australian Antarctic Division |
| SR | Strontium |
| IVI | Interchangeable Virtual Instrument |
| U?K | Initialism For Two Albanian Guerilla Movements |
| HPV | Human Papilloma Virus |
| SAGE | Semi-Automatic Ground Environment (simulation) |
| ATACMS | Army TACtical Missile System |
| SG | Seaborgium |