| Acronym | Meaning |
| LST | LaunchSupportTeam |
| RHS | Rocketdyne Hybrid Simulator |
| IMU | Internal Measurement Unit |
| VV | Vertical Velocity |
| LESS | Leading Edge Structure Subsystem |
| TWTA | Traveling Wave Tube Amplifier |
| SP | Signal Processor |
| FA | Flight Aft |
| ES | Experiment Segment |
| ACRV | Assured Crew Return Vehicle |