| Acronym | Meaning |
| PSFC | Power Supply/Fuel Cell |
| REGEN | Regenerate |
| GMN | GoGMNGorman (TACAN Station) |
| SACS | SADshuttle AuthorizedDocument |
| MSG | Mission SupportGroup |
| POP | Perpendicular-to-Orbit Plane |
| SFOP | Safety Operating Procedure (KSC) |
| SU | Support Unit |
| PMC | Private Medical Communication |
| HGR&SPTFAC | Hangar And Support Facility |