| Acronym | Meaning |
| DASC | Defense Logistics Agency Administrative Support Center |
| TOPS | Transcendental Operating System |
| O/I | Optimal Interpolation |
| I&T | Integration And Test |
| EOSP | Earth Observing Scannign Polarimeter |
| AHF | Advanced Hadron Facility |
| IRS | Indian Remote-sensing Satellite |
| MIB | Management Information Base |
| OMO | Office Of Meteorological Observations |
| ELF | Extremely Low Frequency |