| Acronym | Meaning |
 | JETT | Jettison |
| EVCS | Extravehicular Communications System |
| COD | Center Operations Directorate (JSC) |
| BTU | British Thermal Unit |
| DOL | Discrete Output Low |
| PIL | Procurement Instrument Identification |
| MMS | Multimission Modular Spacecraft |
| GMT | Greenwich Mean Time |
| EMPGS | Electrical/Mechanical Power Generation SubsYstem |
| DEC | Declination |
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