| Acronym | Meaning |
| SIMS | Shuttle Imaging Microwave System |
| CIS | Communications Interface System |
| NORAD | North American Air Defense Command |
| PMS | Performance Monitoring System |
| LPG | Liquid Propellant Gun |
| SAL | SALCSacramento Air Logistics Center |
| T/L | Transformer Load |
| CPD | Crew Passive Dosimeter |
| MSFC | George C. Marshall SPace Flight Center |
| PSS | Propellant Supply Subsystem |