| Acronym | Meaning |
| WMO | World Meteorological Organization |
| TDM | Time-Division Multiplexing |
| NGATS | New Generation Army Targetry System |
| SSA | Cargo Submarine (US Navy Hull Classification) |
| DJI | Djibouti (ISO 3166 Trigram) |
| ICRL | Individual Component Repair List |
| UA | Ukraine (ISO 3166 Digram)Unit Of Action |
| HEAT | High Explosive Anti-Tank (ammunition) |
| EAST | Experimental Advanced Superconducting Tokamak |
| IMPAC | International Merchant Purchase Authorization Card |