| Acronym | Meaning |
| FRED | Space Station Freedom |
| STC | SHAPE Technical Center |
| GMRT | Giant Meter-wave Radio Telescope |
| KPM | Kometen |
| CMB | Cosmic Microwave Background |
| HRMS | High Resolution Microwave Survey |
| ISEP | Isolated/Stabilized Exercise Platform |
| SSPS | Sky Survey Prototype System |
| ADS | Astrophysical Data System (at Havard-Smithsonian CfA) |
| POEM | Polar Orbiting Earth Mission |