| Acronym | Meaning |
| CFA | Harvard-Smithsonian Center For Astrophysics |
| MODE | Middeck Zero-Gravity Dynamics Experiment |
| TM | Thematic Mapper |
| SSF | Space Station Freedom |
| CGRO | Compton Gamma Ray Observatory |
| RMCD | Radaiation Monitoring Container Device |
| USMP | United States Microgravity Payload |
| AFPRO | Air Force Plan Representative Office |
| MRO | Memory Read-Out |
| LSR | Local Standard Of Rest |