| Acronym | Meaning |
| ASCC | Army Service Component Commander - Automatic Sequence Controlled Calculator - Air Standardization Coordinating Committee |
| SERE | Survival |
| RA | Rain (METAR Code) -Rear Area - Reinforced Alert - Republican Army - Right Ascension - Royal Artillery (UK) - Royal Academy |
| OMG | Object Management Group - Oh |
| RDTE OR RDT&E | Research |
| IAD | Ion Assisted Deposition |
| URD | Urdu Language (ISO 639-2 Code) |
| GCN | Gamma-ray Burst Coordination Network |
| DLR | Deutsches Zentrum Fr Luft- Und Raumfahrt (German |
| TIM | Technical Information Memorandum - Technical Interchange Meeting - Toxic Industrial Material - Telecom Italia Mobile |