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MISSIONS
Explore the European Space Agency's Earth Observation satellite missions. Learn all about ESA's dedicated Earth Explorers or collaborations with other agencies through the Third Party Missions programme.
PROBA-1
PROBA-1 is a technology demonstration satellite that later became an operational Earth observation mission.
KOMPSAT-1
KOMPSAT-1 (Korean Multi-Purpose Satellite), also known as Arirang-1, was a South Korean Earth observation satellite which was launched on 21 December 1999. KOMPSAT-1 operated for eight years until satellite operations ceased on 30 December 2007 due to a loss of contact.