| Acronym | Meaning |
 | PICS | Positive Ion Composition Spectrometer |
| FPS | Foot-pound Second System Of Measurements |
| PPS-PODS | Precise Position System- Precise Orbit Determination System |
| ESTP | Exploratory Shaft Test Plan |
| MHS | Message Handling System |
| AERE | Atomic Energy Research Establishment |
| ISU | Intermediate Storage Unit |
| LTER | Long Term Ecological Research |
| TROMEX | Tropical Meteorology Experiment |
| FLMPA | Federal Land Management Policy Act |
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