| Acronym | Meaning |
| G-G | Ground-to-Ground |
| RTG | Radioisotope Thermoelectric Generator |
| CAP | CCMS Application Programs |
| OFI | Operational Flight Instrumentation |
| INSTRUM | Instrumentation Subsystem |
| MEM | Meteoroid Exposure Module |
| ESCU | Extended Service And Cooling Umbilical |
| DEPL | Deploy |
| SSPO | Space Shuttle Program Office |
| FRRID | Flight Readiness Review Item DescriPtion |