| Acronym | Meaning |
| SSCE | Solid Surface Combustion Experiment |
| SL-J | SpaceLab Japan |
| LGM | Little Green Men |
| THIR | Temperature/Humidity Infrared Radiometer |
| MRO | Memory Read-Out |
| CFA | Harvard-Smithsonian Center For Astrophysics |
| BFCS | Backup Flight Control System |
| MRSR | Mars Rover And Sample Return |
| CATS | Cheap Access To Space |
| SOLSTICE | Solar Stellar Irradiance Comparison Experiment |