| Acronym | Meaning |
| SIS | Software Integrated Schedule |
| SPL | Serialized Parts List |
| SLF | Shuttle Landing Facility (OLF) |
| DFS | Directional Finding System |
| BACS | Body Axis Coordinate System |
| TIC | Total Item Change |
| FOT | Flight Operations Team |
| GR | Ground R@le |
| ROS | Removable Overhead Structure |
| P/B | Preburner |