| Acronym | Meaning |
| COMB | Combustion |
| SESC | Shuttle Events Sequential Control |
| REM | Release Escape Mechanism |
| EA | Each |
| DAB | Data Acquisition Bus |
| WW | Wire Wrap |
| SESL | Space Environmental Simulation Laboratory |
| DSAD | Data Systems And Analysis Directorate (JSC) |
| DAR | Digital Autopilot Requirements |
| SSDD | Software System Design Document |