| Acronym | Meaning |
 | IUGS | International Union Of Geological Sciences |
| IGC | International Geophysical Cooperation |
| BIT | Binary Digit (either 0 Or 1) |
| FB | Blanketing Frequency |
| IR | Infrared |
| AORD | Astronaut Operations Requirements Document |
| DRI | Desert Research Institute |
| EPOCH | European Program On Climatology And Natural Hazards |
| ENCAR | Enclosed Cryopump For Air Sample Recovery |
| A&R | Air And Radiation |
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