| Acronym | Meaning |
| FMDM | Flex Multiplexer/Demultiplexer |
| SPD | Speed |
| SRSF | SRB Refurbishment And Subassembly Facility |
| P&FS | Particles And Fields Subsatellite |
| CIL | Critical Items List |
| MCCS | Mission Control Center Simulation (System) |
| MRL | Material Requirements List |
| ICA | Item Change Analysis |
| TWTA | Traveling Wave Tube Amplifier |
| CL | Closed Loop |