| Acronym | Meaning |
| GMRT | Giant Meter-wave Radio Telescope |
| ACF | Automated Control Function |
| KSC | Kennedy Space Center |
| DPM | Drop Physics Module |
| SAO | Smithsonian Astrophysical Observatory |
| RHC | Rotational Hand Controller |
| GSO | GeoSynchronous Earth Orbit |
| ALEXIS | Array Of Low Energy X-ray Imaging Sensors |
| AGN | Active Galactic Nucleus |
| REM | Rat Enclosure Module |