| Acronym | Meaning |
| SSM | ESpace Shuttle Main Engine |
| DARS | Data Acquisition And Reduction System |
| CRP | Configuration Requirements Processing |
| S | CHGSupercharge |
| NRS | Nonconformance Reporting System |
| GATT | Gate Assisted Turnoff Thyristor |
| SSCP | Small Self-Contained Payloads |
| MFR | Multifunctional Review |
| OVCO | Operational Voice Communication Office |
| ECP | Explicitly Coded Program |