| Acronym | Meaning |
| STC | Standard Test Configuration |
| SSD | Spacecraft Software Division |
| DA | Deployed Assembly |
| RDS | Rocketdyne Digital Simulator |
| NAVDAD | Navigationally Derived Air Data |
| EQ | Equivalent |
| GRO | Gamma Ray Observatory |
| NW | Nose Wheel |
| BME | Bench Maintenance Equipment |
| SPIMS | Shuttle Program Information Management System |