| Acronym | Meaning |
| EM | Electromagnetic Conductivity |
| ARA | Appletalk Remote Access |
| ENCAR | Enclosed Cryopump For Air Sample Recovery |
| ATACMS | Army Tactical Missile System |
| DDB | Delayed Direct Broadcast |
| MF | Medium Frequency |
| AIS | Administrative Information Systems |
| LPI | Lines Per Inch |
| DETEC | Defense Technology Evaluation Code |
| DECUS | Digital Equipment Computer Users Society |