| Acronym | Meaning |
| TCSSS | Thermal Control Subsystem Segment |
| GMIL | SpGMILSpaceffight Tracking And Data Network (STDN) |
| SPFA | Single Point Failure Analysis |
| SAMTO | Space And Missi E Test Organization (VAFE3) |
| GVA | GOX Vent Arm |
| RTA | Real-Time Accumulator |
| COAS | Crew(man) Optical Alignment Sight |
| MPMP | Mass Properties Management Plan |
| PROP | Propellant |
| SATS | Shuttle Avionics Test System |