| Acronym | Meaning |
| HEX | Heat Exchanger |
| M/LR | Maintenance Loop Recorder |
| N/0 | Normally Open |
| NPS | NASA PlanningStudies |
| DM | Disassembly Manual |
| PIDA | Payload Installation And Deployment Aid |
| MC | Mission Completion/Continuation |
| R/S | RedundantSet |
| FDA | Fault Detection And Annunciation |
| ICT | Influence Coefficient Tests |