| Acronym | Meaning |
| MW | Megawords |
| CAS | Chemical Abstract Service |
| AIRS | Advanced Infared Studies |
| NAC | NCAR Administrators Committee |
| AVC | Automatic Volume Control |
| ITOS | Improved Tiros Operational Satellite |
| ANTARES | Advanced Nuclear Thermal Rocket Engine Simulator |
| LIS | Lightning Imaging Sensor |
| GISS | Goddard Institute For Space Studies |
| AGO | Automatic Geophysical Observatory |