| Acronym | Meaning |
| GATT | Gate Assisted Turnoff Thyristor |
| FRD | Flight Requirements Document |
| SCAMA | Station Conferencing And Monitoring Arrangement |
| CFSTI | Clearinghouse For Scientific And Technical Informatio |
| RDW | Response Data Word |
| ESD | Emergency Shutdown |
| ERU | Earth Rate Unit |
| SOPC | Shuttle Operations Planning Complex |
| TD | Terminal Distributor |
| PLS | Preliminary Landing Site |