| Acronym | Meaning |
| FRCI | Fibrous Refractory Composite Insulation |
| CPSS | Cold Plate Support Structure |
| PDB | Performance Data Book |
| MDM | Multiplexer/Demultiplexer |
| MCP | Master Change Proposal |
| RSTRT | Restart |
| CICU | Computer Interface Control Unit |
| MSL | Mechanical System(s) Laboratory |
| RGA | Rate Gyro Assembly |
| GPS | General Processing Subsystem |