| Acronym | Meaning |
| GPC | General Purpose Computer |
| CIS | Commonwealth Of Independent States |
| ETR | Eastern Test Range |
| SOHO | SOlar Heliospheric Observatory |
| VPF | Vertical Processing Facility |
| IAUC | IAU Circular |
| FRSI | Flexible Reusable Surface Insulation |
| AFPRO | Air Force Plan Representative Office |
| ALAE | Atmospheric Lyman-Alpha Emissions |
| WFF | Wallops Flight Facility |