| Acronym | Meaning |
| AG | Australia Group |
| IFC | InFlight Black Body Calibrator |
| ACAP (ACAPS) | Advanced Computer For Array Processing |
| DEC | Digital Equipment Corporation |
| ACS | American Chemical Society |
| ASTIA | Armed Services Technical Information Agency |
| SIR | Shuttle Imaging Radar |
| EESI | Environment & Energy Study Institute |
| ASIWPCA | Association Of State & Interstate Water Pollution Control Administrators |
| EG&G | Inc. |