| Acronym | Meaning |
| TE | Timing Electronics |
| PCR | Program Change Request |
| ELMS | Elastic Loop Mobility System |
| MGVT | Mated Ground Vibration Test |
| VT | STS Processing (KSC VO Dir.) |
| CCTV | Closed Circuit Television |
| SMMD | Specimen Mass Measurement Device |
| DCC | Data ComPutation Complex |
| SAAS | Shuttle Aerosurface Actuator Simulation |
| SSO | Source Selection Official |