| Acronym | Meaning |
| DDS | Detailed Design Specification |
| MFMR | Multifrequency Microwave Radiometer |
| TA | Time Actual |
| LA | Launch Area |
| UDMH | Unsymmetrical Dimethylhydrazine |
| DSAD | Data Systems And Analysis Directorate (JSC) |
| CAS | Calibrated Airspeed |
| DAU | Data Acquisition Unit |
| OTR | Outer |
| ETS | External Tank System (Subsystem) |