| Acronym | Meaning |
| ETH | Ethiopia (ISO 3166 Trigram) |
| NORTHAG | Northern Army Group |
| NTC | National Training Center - Negative Temperature Coefficient (thermistor) |
| A2ATD OR A?ATD | Anti |
| ASD(S&R) | (U.S.) Assistant Secretary Of Defense (Strategy & Requirements)) |
| AAD | Analogue-Analogue-Digital (CD Quality) - Australian Antarctic Division |
| RTI | Run-Time Infrastructure (Simulation) |
| NRA | National Rifle Association |
| IEEE | Institute Of Electrical And Electronics Engineers (I Triple-E) |
| JSD | Juris Scientiae Doctor (Latin |