| Acronym | Meaning |
| IFM | In-FlightMaintenance |
| SPCC | STS Processing Control Center |
| BSR | Basic System Release |
| SDCP | Summary DeveloPment Cost Plan |
| SCCH | Standard Cubic Centimeters-per Hour |
| BDA | Backup Drive Amplifier |
| PERT | Program Evaluation Review Technique |
| SRDH | System Requirements Definition Handbook |
| SDR | Space Division Regulation |
| RSS | Range Safety System |