| Acronym | Meaning |
| ARCENT | United States Army Central Command |
| ETB | Ethiopian Birr (ISO 4217 Currency Code) |
| OLS | Operational Linescan System |
| KGB | Komitet Gosudarstvennoy Bezopasnosti (Russian Committee For State Security) (1954-1991) |
| PWP | Plot |
| PPM | Parts Per Million |
| ASIC | Aviation Security Identification Card |
| CONOPS | Concept Of Operations (military) |
| DNDI | Drugs For Neglected Diseases Initiative |
| BTIS | Battlefield Target Identification System |