| Acronym | Meaning |
| APS | Atomic Power Station |
| HMES | Hough Mode Extensions |
| CAGEX | CERES/ARM/GEWEX Experiment |
| EPI | Environmental Policy Institute |
| DDS | Domestic Data Service |
| AISC | Assessment And Information Services Center |
| GRID | Graphical Interactive Display |
| ARIS | Airborne Research Instrumentation System |
| AIRFA | American Indian Religious Freedom Act |
| PETS | Performance Evaluation And Test System |