| Acronym | Meaning |
| EL | Electronic Interface |
| KPRD | KSC Program Requirements Document |
| CCAFS | Cape Canaveral Air Force Station |
| PLN | Program Logic Network |
| VP | Viewpoint |
| MDE | Mission Dependent Experiment |
| PBDF | Payload Bay Door FWD |
| CCU | Communications Carrier Umbilical |
| SPD | Standard Practice Directive |
| RA | Radar Altimeter (R/A Preferred) |