| Acronym | Meaning |
![](file.png) | GEODSS | Ground-based Electro-optical Deep-space Surveillance System |
![](file.png) | VISSR | Visible/Infrared Spin-Scan Radiometer |
![](file.png) | LPV | Long Period Variable |
![](file.png) | IAPPP | International Amateur/Professional Photoelectric Photometry |
![](file.png) | WFF | Wallops Flight Facility |
![](file.png) | INMARSAT | International Maritime Satellite |
![](file.png) | TIROS | Television InfraRed Observation Satellite |
![](file.png) | CSM | Command And Service Module |
![](file.png) | GLOMR | Global Low-Orbiting Message Relay |
![](file.png) | LC | Launch Complex |