Defense Weather Satellite System

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The Defense Weather Satellite System (DWSS)[1] was a United States Department of Defense weather satellite system to have been built by Northrop Grumman Corporation[2] projected for launch in 2018.[3] In January 2012, the US Air Force cancelled the program.[4]

DWSS was a follow-on for the Defense Meteorological Satellite Program (DMSP) mission. The DWSS, together with the still continuing Joint Polar Satellite System (JPSS) project, was to replace the National Polar-orbiting Operational Environmental Satellite System (NPOESS) project which itself was cancelled in January 2010.[5]

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