| Acronym | Meaning |
| PSP | Payload Signal Processor |
| ICOS | Improved Crew Optical Sight |
| FSK | Frequency Shift Keyed (Keying) |
| SAVER | Shuttle Avionics Verification And Evaluation |
| ERB | Engineering Review Board |
| SWT | Sextant |
| TCSSS | Thermal Control Subsystem Segment |
| NRCC | National Research Council Of Canada |
| FES | Flash Evaporator System |
| MORT | Management Oversight And Risk Tree |