| Acronym | Meaning |
 | COSTAR | Corrective Optics Space Telescope Axial Replacement |
| PVO | Pioneer Venus Orbiter / Protivo-Vosdushniya Oborona |
| PCT | Photometric Calibration Test |
| KPM | Kometen |
| SEPAC | Space Experiments With Particle Accelerators |
| VTVL | Vertical Takeoff Vertical Landing |
| OCST | Office Of Commercial Space Transportation |
| MSOCC | Multisatellite Operations Control Center |
| ET | External Tank |
| LARC | Langley Research Center |
Browse by Letter:
