AAOE Airborne Antarctic Ozone Experiment

AASE Airborne Arctic Stratospheric Expedition

ACAM Airborne Compact Atmospheric Mapper

ACE Aerosol-Cloud-Ecosystems

ACE Atmospheric Chemistry Experiment

AI&T assembly, integration, and test

AirMISR Airborne MISR instrument

ARCTAS Arctic Research of the Composition of the Troposphere from Aircraft and Satellites

ASCENDS Active Sensing of CO₂ Emissions over Nights, Days, and Seasons

ASHOE/MAESA Airborne Southern Hemisphere Ozone Experiment/Measurement for Assessing the Effects of Stratospheric Aircraft

ASP Airborne Science Program

ASRAT Astrophysics Sounding Rocket Assessment Team

AVE Aura Validation Experiment

BARREL Balloon Array for RBSP Relativistic Electron Losses

BLAST Balloon-borne Large Aperture Submillimeter Telescope

BOOMERanG Balloon Observations of Millimetric Extragalactic Radiation and Geophysics

BOREAS Boreal Ecosystem-Atmosphere Study

BPA Balloon Program Office

CALIPSO Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation

CAMEX Convection and Moisture Experiment

CCD charge-coupled device

CFC chlorofluorocarbon

CLARREO Climate Absolute Radiance and Refractivity Observatory

CMB cosmic microwave background

CPL Cloud Physics Lidar

CR-AVE Costa Rica Aura Validation Experiment

CrIS Cross-track Infrared Sounder

CRS Cloud Radar Sensor

CRYSTAL–FACE Cirrus Regional Study of Tropical Anvils and Cirrus Layers–Florida Area Cirrus Experiment

DESDynI Deformation, Ecosystem Structure, and Dynamics of Ice mission

EPO education and public outreach

ESA European Space Agency

ESD Earth Science Division

EUV extreme ultraviolet

FILOS Far-Infrared Limb Observing Spectrometer

FIRST Far-Infrared Spectroscopy of the Troposphere instrument

GACM Global Atmospheric Composition (mission)

GeoCAPE Geostationary Coastal and Air Pollution Events

GOCO government-owned, contractor-operated

INTEX Intercontinental Transport Experiment

IR infrared

KAO Kuiper Airborne Observatory

LBA Large-scale Biosphere-Atmosphere Experiment

LDB long-duration balloon

LISA Laser Interferometer Space Antenna

MAS MODIS Airborne Simulator

MASTER MODIS/ASTER Airborne Simulator

MAXIMA Millimeter Anisotropy Experiment Imaging Array

MDA Missile Defense Agency

MINIS Miniature Spectrometers balloon project

MISR Multiangle Imaging Spectroradiometer (MISR)

MLS Microwave Limb Sounder

MODIS Moderate Resolution Imaging Spectroradiometer

MOPITT Measurements of Pollution in the Troposphere

NAMMA NASA African Monsoon Multidisciplinary Analyses

NAST-I NPOESS Aircraft Sounder Testbed-Interferometer

NAST-M NPOESS Aircraft Sounder Testbed-Microwave

NCT Nuclear Compton Telescope

NPOESS National Polar-orbiting Operational Environmental Satellite System

NSROC NASA Sounding Rocket Operations Contract(or)

NuSTAR Nuclear Spectroscopic Telescope Array

OSR Orbital Sounding Rocket

PAVE Polar Aura Validation Experiment

PI principal investigator

PODEX Polarimeter Definition Experiment

POLARIS Photochemistry of Ozone Loss in the Arctic Region In Summer

R&A research and analysis

RBSP Radiation Belt Storm Probes

Retrieval algorithm complex recipe of calculations utilized to retrieve geophysical data from raw signals

REU Research Experience for Undergraduates

RTMM Real Time Mission Management

SAFARI Southern African Fire Atmosphere Research Initiative

SARP Student Airborne Research Program

SDO Solar Dynamics Observatory

SERI Solar Energy Research Institute

SLS Submillimeterwave Limb Sounder

SMD Science Mission Directorate

SMEX Small Explorer

SOFIA Stratospheric Observatory for Infrared Astronomy

SOHO Solar and Heliospheric Observatory

SOLVE SAGE III Ozone Loss and Validation Experiment

SONEX Subsonic Assessment Ozone and NO_x Experiment

SPADE Stratospheric Photochemistry, Aerosols and Dynamics Expedition

SRP Sounding Rocket Program

SRPO Sounding Rocket Program Office

STEM science, technology, engineering, and mathematics

STEP Stratospheric Tropospheric Exchange Project

STEREO Solar-Terrestrial Relations Observatory

STRAT Stratospheric Tracers of Atmospheric Transport

SUCCESS Subsonic aircraft: Contrail and Cloud Effects Special Study

TC4 Tropical Composition, Cloud and Climate Coupling

TCSP Tropical Cloud Systems and Processes

TEFLUN Texas-Florida Underflights

TES Tropospheric Emission Spectrometer

TOTE/VOTE Tropical Ozone Transport Experiment/Vortex Ozone Transport. Experiment

TRACE Transport and Chemical Evolution Experiment

UARS Upper Atmosphere Research Satellite

UAS unmanned aircraft system

UAVSAR Unmanned Aerial Vehicle Synthetic Aperture Radar

ULDB ultralong-duration balloon

USRA Universities Space Research Association

WFF Wallops Flight Facility

XQC x-ray quantum calorimeter