| Acronym | Meaning |
| DMA | Defense Mapping Agency |
| HCSN | High-Capacity Satellite Network |
| IRAC | Interdepartmental Radio Advisory Committee |
| PSU | Pennsylvania State University |
| FLTOP | Federal Lease To Ownership Program |
| WINDEX | Winter Doppler Experiment |
| ARES | Advanced Reentry System |
| ESMR | Electronically Scanning Microwave Radiometer |
| ELI | Environmental Law Institute |
| UVSP | Ultra-violet Spectrometer/polarimeter |