| Acronym | Meaning |
| OMC | Orbiter Maintenance And Checkout |
| W/WMS | Water/Waste Management System (Subsystem) |
| SCL | Specification Change Log |
| EMK | Emergency Medical Kit |
| NORMAL | To ZNormal To Z-Axis |
| PGOR | Payload Ground Operation Requirements |
| HTPB | Hydroxyl Terminated Polybutadiene (Propellant) |
| ITAP | Integrated Technical Assessment Panel |
| FEID | Functional Engineering Interface Device |
| LM | Intermediate Moisture |