| Acronym | Meaning |
| BP | C-to-CComputer-to-Computer |
| SCAN | Selected Current Aerospace Notices |
| GPME | General Purpose Mission Equipment |
| LDG | Landing |
| ISSL | Initial Spares Support List |
| AFE | American Flight Echocardiograph |
| FS | Federal Specification |
| RECP | Receptacle |
| OSOP | Orbiter Systems Operating Procedures |
| SCB | Selection Control Board |