| Acronym | Meaning |
| SHF | Super High Frequency |
| OCF | Orbiter Computational Facilities |
| CDPIS | Command Data Processing And Instrumentation System |
| RMS | Random Motion Simulator |
| SUPV | Supervisor |
| SEO | Special Engineering Order |
| H | AlH AlHot |
| MSBLS | Microwave Scanning Beam Landing System |
| STDN | Spaceflight Tracking And Data Network |
| FDX | Full Duplex |