| Acronym | Meaning |
| P/L-EX | Payload Executive |
| NLDS | National Lightning Detection System |
| MCC | Mission Control Center |
| MBYTE | Megabyte |
| PACS | Pan-American Climate Studies |
| AACR | Angle-American Cataloging Rules |
| S&R | Search And Rescue |
| TING | Thermosphere-Ionosphere Nested Grid Model |
| TREC | Tracking Radar Echoes By Correlation |
| HRPT | High Resolution Picture Transmission |