| Acronym | Meaning |
| IPS | Instrument Pointing System (Subsystem) |
| GDS | GNC Dynamic Simulator |
| STG | Stage |
| EVCU | Extravehicular Communications Umbilical |
| MRD | Mission Requirements Document |
| MCC-DOD | Mission Control Center-DOD |
| CIS | Central Integration Site |
| DSB | Double Side Band |
| EDC | Engineering Design Change |
| INTERFACE | CInterface Control Specification |