| Acronym | Meaning |
| OP | Oxygen Purge |
| SSCHS | Space Shuttle Cargo Handling System |
| STL | Space Technology Laboratories |
| SSO | Source Selection Official |
| PRCB | ProgramRequirementsControlBoard |
| IPS | IPTCSInternational Pipe Thread |
| KBAC | Kennedy Booster Assemblv Contractor |
| SSM | BSpace Shuttle Maintenance Baseline |
| BME | Bench Maintenance Equipment |
| MCIU | Manipulator Controller Interface Unit |