| Acronym | Meaning |
| PAD | Preliminary Advisory Data (Crew Data Uplink) |
| ECP | Engineering Change Proposal |
| STL | Space Technology Laboratories |
| SOFT | Space Operations And Flight Techniques |
| HEX | Heat Exchanger |
| FDS | Functional Design Specifications |
| BSR | Bite Status Register |
| OCH | Orbiter Common Hardware |
| TTCV | Tracking Telemetry |
| CVE | Complete Vehicle Erector |