| Acronym | Meaning |
| PAM | Payload Assist Module |
| CRAF | Comet Rendezvous/Asteroid Flyby |
| GHRS | Goddard High Resolution Spectrograph |
| HRPT | High Resolution Picture Transmission |
| MLP | Mobile Launch Platform |
| RCT | Radiometric Calibration Target |
| HRSC | High Resolution Stereo Camera |
| LRB | Liquid Rocket Booster |
| ESPC | European Space Power Conference |
| LFC | Large Format Camera |