| Acronym | Meaning |
| MD | Manual Disconnect |
| P/L | Purchased Labor |
| HDS | Hardware DescriPtion Sheet |
| ML | PED Mobile Launcher Pedestal |
| RMSVP | Remote ManiPulator SubsYstem Verification Plan |
| RCCA | Rough Combustion Cutoff Assembly |
| STLOS | Star Line Of Sight |
| DRIRU | Dry Rotor Inertial Reference Unit |
| OPFC | Orbiter Preflight Checklist |
| PRCB | ProgramRequirementsControlBoard |