| Acronym | Meaning |
 | COFW | Certificate Of Flight Worthiness |
| SAMSO | Space And Missile SYstems Organization (USAF) |
| ENG | Engine |
| SPN | Shuttle Project Notice (KSC) |
| V-A | Volt-Ampere |
| IGM | Interactive Guidance Mode |
| CIS | Contractor's Information Submittal |
| M+R | Maintenance And Refurbishment |
| CFD | Converter |
| WUSCI | Western Union Space Communications |
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