| ABoVE | Artic Boreal Vulnerability Experiment |
| ACCP | Aerosol and Cloud, Convection and Precipitation |
| ACTIVATE | Aerosol-Cloud-Meteorology Interaction Airborne Field Investigations |
| AGL | above ground level |
| AirMOSS | Airborne Microwave Observatory of Subcanopy and Subsurface |
| AIRSAR | Airborne Synthetic Aperture Radar |
| AirSWOT | Air Surface Water and Ocean Topography |
| ARCTAS | Arctic Research of the Composition of the Troposphere from Aircraft and Satellites |
| ARISE | Arctic Radiation IceBridge Sea and Ice Experiment |
| ASCENDS | Active Sensing of CO2 Emissions over Nights, Days, and Seasons |
| ASL | above sea level |
| ASO | Airborne Snow Observatory |
| ASTER | Advanced Spaceborne Thermal Emission and Reflection Radiometer |
| ATM | Airborne Topographic Mapper |
| ATom | Atmospheric Tomography Mission |
| ATTREX | Airborne Tropical TRopopause EXperiment |
| AVIRIS | Airborne Visible/Infrared Imaging Spectrometer Classic |
| AVIRIS-NG | Airborne Visible/Infrared Imaging Spectrometer Next Generation |
| BioSCape | Biodiversity: Marine, Freshwater, and Terrestrial Biodiversity Survey of the Cape |
| CAMEX | Convection And Moisture EXperiment |
| CBLAST | Coupled Boundary Layer Air–Sea Transfer |
| CH4 | methane |
| CH2O | formaldehyde |
| CLPX | Cold Land Processes Field Experiment |
| CO | carbon monoxide |
| CO2 | carbon dioxide |
| CORAL | COral Reef Airborne Laboratory |
| CPEX | Convective Processes Experiment |
| CPEX-AW | Convective Processes Experiment—Aerosols and Winds |
| DC3 | Deep Convective Clouds and Chemistry |
| DC-8 | Douglas DC-8-72 aircraft |
| DEI | diversity, equity, and inclusion |
| DEMs | Digital Elevation Models |
| DIAL | differential absorption lidar |
| DO | designated observable |
| DOE | U.S. Department of Energy |
| DOI | U.S. Department of Interior |
| DopplerScat | Doppler Scatterometer |
| ECOSTRESS | ECOsystem Spaceborne Thermal Radiometer Experiment on Space Station |
| eMAS | Enhanced MODIS Airborne Simulator |
| EMIT | Earth Surface Mineral Dust Source Investigation |
| ER-2 | Earth Resources 2 |
| ESAS | Earth Science and Applications from Space Decadal Survey |
| ET | evapotranspiration |
| EUFAR | European Facility for Airborne Research |
| EVI | Earth Venture Instrument |
| EVS | Earth Venture Suborbital |
| FAA | Federal Aviation Administration |
| FIREX-AQ | Fire Influence on Regional to Global Environments and Air Quality |
| GCPEx | Global Precipitation Measurement Cold Season Precipitation Experiment |
| GEDI | Global Ecosystem Dynamics Investigation |
| GEO | geostationary Earth orbit |
| GeoCARB | Geostationary Carbon Observatory |
| GEOS | Goddard Earth Observing System |
| GIII | Gulfstream III |
| GIV | Gulfstream IV |
| GLISTIN-A | Glacier and Ice Surface Topography Interferometer |
| GPM | Global Precipitation Measurement |
| GPS | Global Positioning System |
| GRIP | Genesis and Rapid Intensification Processes |
| GV | Gulfstream V |
| HASP | High Altitude Student Platform |
| HIAPER | High-performance Instrumented Airborne Platform for Environmental Research |
| HIPPO | High-performance Instrumented Airborne Platform for Environmental Research (HIAPER) Pole-to-Pole Observations |
| HyspIRI | Hyperspectral Infrared Imager |
| ICESat | NASA Ice, Cloud, and land Elevation Satellite |
| IIP | Instrument Incubator Program |
| InSAR | Interferometric Synthetic Aperture Radar |
| IR | infrared |
| ISDAC | Indirect and Semi-Direct Aerosol Campaign |
| ISRO | Indian Space Research Organisation |
| ITOP | Impacts of Typhoons on the Ocean in the Pacific |
| KORUS-AQ | Korea-United States Air Quality |
| LEO | low Earth orbit |
| LVIS | Land, Vegetation, and Ice Sensor |
| MAIA | Multi-Angle Imager for Aerosols |
| MASS | Modular Aerial Sensing System |
| MASTER | Moderate Resolution Imaging Spectroradiometer (MODIS)/Advanced Spaceborne Thermal Emission and Reflection Radiometer Airborne Simulator |
| MIZOPEX | Marginal Ice Zone Observations and Processes EXperiment |
| MODIS | Moderate Resolution Imaging Spectroradiometer |
| NAAMES | North Atlantic Aerosols and Marine Ecosystem Study |
| NAMMA | NASA African Monsoon Multidisciplinary Analyses |
| NASA | National Aeronautics and Space Administration |
| NAST-I | National Airborne Sounder Testbed—Interferometer |
| NISAR | NASA-Indian Space Research Organization Synthetic Aperture Radar |
| NO2 | nitrogen dioxide |
| NOAA | National Oceanic and Atmospheric Administration |
| NSF | National Science Foundation |
| OCO-3 | Orbiting Carbon Observatory 3 |
| OIB | Operation IceBridge |
| OLYMPEX | Olympic Winter Precipitation Experiment |
| OMG | Oceans Melting Greenland |
| ONR | Office of Naval Research |
| PACE | Plankton, Aerosol, Cloud, ocean Ecosystem |
| PBL | planetary boundary layer |
| PECAN | Plains Elevated Convection at Night |
| POLARCAT | Polar Study using Aircraft, Remote Sensing, Surface Measurements and Models, of Climate, Chemistry, Aerosols, and Transport |
| POLSAR | polarimetric synthetic aperture radar |
| POS AV | Applanix Position and Orientation System |
| PREFIRE | Polar Radiant Energy in the Far-InfraRed Experiment |
| PRISM | Portable Remote Imaging SpectroMeter |
| RaDFIRE | Rapid Deployments to Wildfires Experiment |
| RSP | Research Scanning Polarimeter |
| SABOR | Ship Aircraft BioOptical Research |
| SAR | synthetic aperture radar |
| SARP | Student Airborne Research Program |
| SBG | Surface Biology and Geology |
| SEAC4RS | Studies of Emissions, Atmospheric Composition, Clouds and Climate Coupling Regional Surveys |
| SIERRA-B | Sensor Integrated Environmental Remote Research Aircraft |
| SIR-C | Shuttle Imaging Radar with Payload C |
| SMAP | Soil Moisture Active-Passive |
| SO2 | sulfur dioxide |
| SOARS | Significant Opportunities in Atmospheric Research and Science |
| SRTM | Shuttle Radar Topography Mission |
| STEM | science, technology, engineering, and mathematics |
| SWOT | Surface Water Ocean Topography |
| TC4 | Tropical Composition, Cloud and Climate Coupling Experiment |
| TEMPO | Tropospheric Emissions: Monitoring Pollution |
| TOGA COARE | Tropical Ocean–Global Atmosphere Coupled Ocean–Atmosphere Response Experiment |
| TRACE-P | Transport and Chemical Evolution over the Pacific |
| TROPOMI | TROPOspheric Monitoring Instrument |
| UAS | uncrewed airborne systems |
| UAVSAR | Uninhabited Aerial Vehicle Synthetic Aperture Radar |
| USAF | U.S. Air Force |
| USFS | U.S. Forest Service |
| VOCs | volatile organic compounds |
| VPD | vapor pressure deficit |