| Acronym | Meaning |
| SESAME | Severe Environmental Storms And Mesoscale Experiment |
| ERS | Element Requirements Specification |
| ALE | Arbitrary Lagrangian-Eulerian |
| PCM | Parallel Climate Model |
| AF | Auxiliary Feed |
| ATS | Application Technology Satellite |
| VISSR | Visible And Infrared Spin-Scan Radiometer |
| OSS | Office Of Space Station |
| ETL | Energy Technology Programs |
| SOI/MDI | Solar Oscillations Imager/Michelson Doppler Imager |