| Acronym | Meaning |
| CSS | Control Stick Steering |
| RTCC | Real-Time Computer Command (UPlink) |
| TOW | Tank And Orbiter Weight |
| EOS | Extended Operating System |
| CIAP | Climatic Impact Assessment Program |
| DC | DCADefense Communication Agency |
| FMOFPL | First Manned Orbital Flight With Payload |
| PFP | Programmable Function Panel |
| MDF | Mating/Demating Facilities |
| MHE | Material Handling Equipment |