| Acronym | Meaning |
| RAD | Radian |
| MAP | Message Acceptance Pulse |
| PAD | Preliminary Advisory Data (Crew Data Uplink) |
| DOT/CIAP | DOT Climatic Impact Assessment Program |
| LV | Limit Value |
| SMD | Spacelab Mission DeveloPment |
| FRD | Flight Requirements Document |
| CCP | Commercial Change Proposal |
| SMRD | Spin Motor Rotational Detector |
| OTT | Optional Team Targeting |