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] It was replaced with the Weather System Follow-on Microwave (WSF-M).[5]
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.[6]
^"Defense Weather Systems Directorate Defense Weather Systems Directorate: DWSS Factsheet". Archived from the original on 25 June 2011. Retrieved 15 July 2011.
^"Northrop Grumman DWSS Home Page". Archived from the original on 7 October 2011. Retrieved 15 July 2011.
^"Northrop Grumman Receives Authorization from U.S. Air Force to Begin Work on Defense Weather Satellite System". Archived from the original on 2012-03-15. Retrieved 2011-05-27.
^"Proposed next-generation weather satellites get the ax". Spaceflight Now. January 24, 2012.
^"2015 Air Force RDT&E Budget Item Justification" (PDF). Retrieved 12 December 2017.
^Reuters: Northrop in $427 million U.S. Air Force satellite deal
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