| Acronym | Meaning |
| FC | Flight Computer |
| VSA | Verification Site Approval |
| DCIU | Digital Control And Interface Unit |
| PCL | Primary Coolant Loop |
| MCDS | Maintenance Control And Display System |
| USB | Unified S-Band |
| MLR | Monodisperse Latex Reactor |
| RCA | Radio Corporation Of America (SATCOM) |
| EDC | Engineering Design Change |
| GNCFTS | GNGNCFTSGN&C Flight Test Station |