| Acronym | Meaning |
| PC | ParseC (usu. Pc) |
| INCO | Integrated Communications Officer |
| PLBD | Payload Bay Doors |
| MAS | Millimeter-wave Atmospheric Sounder |
| RME | Radiation Monitoring Experiment |
| TWTA | Travelling Wave Tube Amplifier |
| SUSIM | Solar Ultraviolet Spectral Irradiance Monitor |
| HRDI | High Resolution Doppler Imager |
| SOFIA | Stratospheric Observatory For Infrared Astronomy |
| USMP | United States Microgravity Payload |