| Acronym | Meaning |
| RSCS | Remote Spooling Communications Subsystem |
| IDL | Interactive Data Language |
| GENPRO | General Processor |
| API | Axial Power Indicator |
| FX | FSL's X-window Workstation |
| PALE | Paleoclimates From Arctic Lakes And Estuaries |
| FL2 | Second Flight Model |
| ESML | Earth Science Markup Language |
| SIR | Spaceborne Imaging Radar |
| RATS | Real-time Aircraft Tracking System |