| Acronym | Meaning |
| NTIS | National Technical Information Service |
| OOS | Orbit-to-Orbit Shuttle |
| RCHCS | Regenerable CO And Humidity Contro SYstem |
| GACU | Ground Air Conditioning Unit |
| RCA | Radio Corporation Of America (SATCOM) |
| FEB | Forward Equipment Bay |
| RPL | Rated Power Level |
| SEAPG | Support Equipment Acquisition Planning Group |
| CONTAM | Contaminate |
| PID | Program Introduction Document |