| Acronym | Meaning |
| DP | Development Phase |
| SID | Standard Interface Document |
| RAX | Remote Access Computing System |
| MLS | Microwave Landing System |
| PIP | Project Implementation Plan |
| CDI | Course Deviation Indicator |
| MPSR | Multipurpose Support Room |
| SPIMS | Shuttle Program Information Management System |
| CSOC | Consolidated Space Operations Center |
| HAM | Height Adjustment Maneuver |