ACRIM
Active Cavity Radiometer Irradiance Monitor

ADEOS
Advanced Earth Observing Satellite

AIRS
Atmospheric Infrared Sounder

ALI
Advanced Land Imager

AMSR
Advanced Microwave Scanning Radiometer

AMSU
Advanced Microwave Sounding Unit

ASTER
Advanced Spaceborne Thermal Emission and Reflection Radiometer

CERES
Clouds and Earth's Radiant Energy System

DFA
Dual Frequency Altimeter

ETM+
Enhanced Thematic Mapper Plus

EO-1 & 2
Earth Orbiter 1 & 2

FOO
Flight of Opportunity

GLAS
Geoscience Laser Altimeter System

GLI
Global Imager

HIRDLS
High-Resolution Dynamics Limb Sounder

HSB
Humidity Sounder - Brazil

IELV
Intermediate Expendable Launch Vehicle

ILAS-2
Improved Limb Atmospheric Spectrometer

JMR
Jason Microwave Radiometer

LIS
Lightning Imaging Sensor

MELV
Medium Expendable Launch Vehicle

MISR
Multi-angle Imaging SpectroRadiometer

MLELV
Medium Light Expendable Launch Vehicle

MLS
Microwave Limb Sounder

MODIS
Moderate Resolution Imaging Spectroradiometer

MOPITT
Measurements of Pollution in the Troposphere

NMP
New Millennium Program

POLDER
Polarization and Directionality of Reflectances

PR
Precipitation Radar

SAGE III
Stratospheric Aerosol and Gas Experiment III

SAVE
Solstice Atmospheric Variability Experiment

SELV
Small Expendable Launch Vehicle

SOLSTICE
Solar Stellar Irradiance Comparison Experiment

SPARCLE
Space-Readiness Coherent Lidar Experiment

TES
Tropospheric Emission Spectrometer

TMI
TRMM Microwave Imager

TRMM
Tropical Rainfall Measuring Mission

TSI
Total Solar Irradiance

TSISAT
Total Solar Irradiance Satellite

VIRS
Visible Infrared Scanner