| Acronym | Meaning |
| PEM | Particle Environment Monitor |
| CIS | Commonwealth Of Independent States |
| CRISTA | Cryogenic Infrared Spectrometer Telescope For Atmosphere |
| IRAS | InfraRed Astronomical Satellite |
| LIS | Lightning Imaging Sensor |
| WINDII | Wind Imaging Interferometer |
| ADS | Aitken Double Star Catalog |
| NASP | National AeroSpace Plane |
| STC | Stennis Test Center |
| ACE | Advanced Composition Explorer |