Twin probes studying the Van Allen radiation belt Moderate-Resolution Imaging Spectroradiometer (MODIS) Multi-angle Imaging SpectroRadiometer (MISR) - New Millennium Program (NMP) Earth Observing-1 (EO-1) Space Technology 5 (ST5) Space Technology 6 (ST6) NanoSail-D and NanoSail-D2 Orbiting Carbon Observatory (OCO) - Origins program Far Ultraviolet Spectroscopic Explorer (FUSE) Kepler searching for Earth-sized exoplanets in the habitable zone Time History of Events and Macroscale Interactions during Substorms (THEMIS) - Small Explorer program (SMEX) Aeronomy of Ice in the Mesosphere (AIM) Fast Auroral Snapshot Explorer (FAST) Galaxy Evolution Explorer (GALEX) Interstellar Boundary Explorer (IBEX) Nuclear Spectroscopic Telescope Array (NuSTAR) – X-ray telescope orbiting Earth Reuven Ramaty High Energy Solar Spectroscopic Imager (RHESSI) – Sun observing, Earth satellite Solar Anomalous and Magnetospheric Particle Explorer (SAMPEX) Submillimeter Wave Astronomy Satellite (SWAS) Transition Region and Coronal Explorer (TRACE) – Sun observing, Earth satellite Wide Field Infrared Explorer (WIRE) - Solar Terrestrial Probes program Hinode (Solar-B) Thermosphere Ionosphere Mesosphere Energetics and Dynamics (TIMED) Two Wide-angle Imaging Neutral-atom Spectrometers (TWINS) Uhuru Wilkinson Microwave Anisotropy Probe (WMAP) Imaging X-ray Polarimetry Explorer (IXPE) BioSentinel Lunar Clementine Gravity Recovery and Interior Laboratory (GRAIL) -Lunar Orbiter program Lunar Orbiter 1 Lunar Orbiter 2 Lunar Orbiter 3 Lunar Orbiter 4 Lunar Orbiter 5 - Lunar Precursor Robotic Program (LPRP) Lunar Crater Observation and Sensing Satellite (LCROSS) Lunar Reconnaissance Orbiter (LRO) Lunar Prospector Moon Mineralogy Mapper (M3) – instrument for ISRO's Chandraayan-1 -Pioneer program Pioneer 0 Pioneer 1 Pioneer 2 Pioneer P-1 Pioneer P-3 Pioneer P-30 Pioneer P-31 Pioneer 3 Pioneer 4 - Ranger program Ranger 1 Ranger 2 Ranger 3 Ranger 4 Ranger 5 Ranger 6 Ranger 7 Ranger 8 Ranger 9 - Surveyor program Surveyor 1 Surveyor 2 Surveyor 3 Surveyor 4 Surveyor 5 Surveyor 6 Surveyor 7 CAPSTONE Korea Pathfinder Lunar Orbiter's ShadowCam instrument LunaH-Map Lunar IceCube Lunar Flashlight Martian - Mariner program Mariner 4 Mariner 6 and 7 Mariner 8 Mariner 9 - Mars Exploration Rovers Spirit rover Opportunity rover Mars Global Surveyor Mars Odyssey - Mars Pathfinder Sojourner rover - Mars Polar Lander Deep Space 2 (DS2) – (sub-surface probes) Mars Reconnaissance Orbiter - Mars Science Laboratory (MSL) Curiosity rover - Mars 2020 Perseverance rover Ingenuity helicopter - Mars Scout program Mars Atmosphere and Volatile EvolutioN (MAVEN) Phoenix - Viking program Viking 1 Viking 2 Asteroidal/cometary - Discovery Program Deep Impact (primary) – EPOXI (extended) Stardust – follow-up for Deep Impact's primary mission to 9P/Tempel Lucy – launched October