| Acronym | Meaning |
| FOS | Faint Object Spectrograph |
| AOA | Angle Of Attack |
| GSFC | Goddard Space Flight Center |
| RESTEC | Remote Sensing Technology Center |
| UPPP | Union Pour La Promotion De La Propulsion Photonique |
| VMF | Voenno-Morskoy Flot |
| MECO | Main Engine CutOff |
| ISZ | Iskusstvenniy Sputnik Zemli |
| AFPRO | Air Force Plan Representative Office |
| DARPA | Defense Advanced Research Projects Agency |