| Acronym | Meaning |
| IUPAC | International Union Of Pure And Applied Chemistry |
| ANI | Authorized Nuclear Inspector |
| VTPR | Vertical Temperature Profile Radiometer |
| ANS | American National Standard |
| STL | Space Technology Laboratory |
| AOSO | Advance Orbiting Solar Observatory |
| INU | Inertial Navigation Unit |
| USAN | University Satellite Accessed Network |
| TGCM | Thermospheric General Circulation Model |
| ACI | Automatic Closure And Interlock |