| Acronym | Meaning |
| HLC | Heavy Lift Capability |
| DMR | Differential Microwave Radiometer |
| TWTA | Travelling Wave Tube Amplifier |
| MRIR | Medium Resolution Infrared Radiometer |
| MIMR | Multifrequency Imaging Microwave Radiometer |
| OCTS | Ocean Color And Temperature Scanner |
| HIRDLS | High Resolution Dynamics Limb Sounder |
| ASA | Astronomical Society Of The Atlantic |
| DPSS | DATA Processing Services Subsystem |
| CHARA | Center For High Angular Resolution Astronomy |