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Defense Weather Satellite System

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Title: Defense Weather Satellite System  
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Subject: Weather satellites of the United States, ICESat-2, A-train (satellite constellation), Global Precipitation Measurement, Environmental Science Services Administration
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Defense Weather Satellite System

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]


  1. ^ "Defense Weather Systems Directorate Defense Weather Systems Directorate: DWSS Factsheet". Retrieved 15 July 2011. 
  2. ^ "Northrop Grumman DWSS Home Page". Retrieved 15 July 2011. 
  3. ^ Northrop Grumman Receives Authorization from U.S. Air Force to Begin Work on Defense Weather Satellite System
  4. ^ "Proposed next-generation weather satellites get the ax". Spaceflight Now. January 24, 2012. 
  5. ^ Reuters: Northrop in $427 million U.S. Air Force satellite deal

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