| Acronym | Meaning |
| ADEOS | Advanced Earth Observing Satellite |
| ZHR | Zenith Hourly Rate |
| MECO | Main Engine CutOff |
| VTHL | Vertical Takeoff Horizontal Landing |
| USMC | United States Marine Corps |
| SPTN | SPARTAN |
| PCT | Photometric Calibration Test |
| DMR | Differential Microwave Radiometer |
| LFC | Large Format Camera |
| CSM | Command And Service Module |