| Acronym | Meaning |
| ATHENA | Advanced Thermal-Hydraulic Energy Network Analyzer |
| SCATT | Scatterometer |
| BUFR | Binary Universal Form For The Representation Of Meteorological Data |
| METAR | Meteorological Aviation Reports |
| ALEXIS | Array Of Low-energy X-ray Imaging Sensors |
| PRC | People's Republic Of China |
| NTTF | NASA Test And Training Facility |
| M-SRI | Stanford Resource Institute |
| EHF | Extremely High Frequency |
| OCG | Ocean Catalog Group |