| Acronym | Meaning |
| MRIR | Medium Resolution Infrared Radiometer |
| MODE | Middeck Zero-Gravity Dynamics Experiment |
| RASC | Royal Astronomical Society Of Canada |
| PMC | Permanently Manned Capability |
| YSO | Young Stellar Object |
| ACRV | Astronaut Crew Rescue Vehicle |
| VTVL | Vertical Takeoff Vertical Landing |
| MMH | MonoMethyl Hydrazine |
| ETR | Eastern Test Range |
| BFC | Backup Flight Computer |