| Acronym | Meaning |
 | AO | Assembly Order |
 | VOX | Voice Operated Transmitter (Transmission) |
 | OS | Operating System |
 | VIS | Visibility |
 | MSEC | Master Separation Events Controller |
 | OBS | Operational Biomed Sensors |
 | EOP | Experiments Of Opportunity |
 | GFM | Government Furnished Material |
 | JETT | Jettison |
 | PRS | Primary Rescue Site |