| Acronym | Meaning |
 | PEPPI | Photometric Eclipse Polar Plume Imager |
| ANSI | American National Standards Institute |
| SID | Sudden Ionospheric Disturbance |
| ACV | Air-cushion Vehicle |
| ILI | Instrumentation And Laboratory Improvement |
| RJE | Remote Job Entry |
| ECAO | Environmental Criteria And Assessment Office |
| EDS | Electronic Data Systems |
| CCHW | Citizens Clearinghouse For Hazardous Wastes |
| DAF | Data Acquisition Facility |
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