| Acronym | Meaning |
| IA | International Angstrom |
| ADR | Alternative Dispute Resolution |
| PDS | Planetary Data System |
| BINET | Bistatic Doppler Radar Receiver Network |
| SJVAQS | San Joaquin Valley Air Quality Study |
| PALE | Paleoclimates From Arctic Lakes And Estuaries |
| AFIS | Automated Fingerprint Identification System |
| HRIS | High-Resolution Infrared Radiation Sounder |
| FTS | Federal Telecommunications System |
| OPLE | OMEGA Position And Location Experiment |