| Acronym | Meaning |
| AAO | Anglo-Australian Observatory |
| AVHRR | Advanced Very High Resolution Radiometer |
| TKSC | Tsukuba Space Center |
| SCT | Schmidt-Cassegrain Telescope |
| ENACEOS | ENAC For EOS |
| DSSC | Deep Space Station Complex |
| PVO | Pioneer Venus Orbiter / Protivo-Vosdushniya Oborona |
| AFPRO | Air Force Plan Representative Office |
| NLDP | National Launch Development Program |
| POEM | Polar Orbiting Earth Mission |