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Wideband Global SATCOM (WGS) is a Department of Defense (DoD) satellite constellation providing broadcast, multicast, and point-to-point communications for military forces worldwide. Based on a Boeing 702HP spacecraft bus, WGS-4 is part of the “Block II” family of DoD satcom systems from geosynchronous orbit. WGS-4 was launched to orbit aboard a United Launch Alliance Delta IV Medium+ (5,4) rocket on January 20, 2012 from Cape Canaveral Air Force Station’s Space Launch Complex 37B located in Florida. This version of the rocket utilizes a five-meter fairing as well as four Orbital ATK GEM 60 solid rocket motors affixed to the Delta IV’s first stage. Photos courtesy: Mike Howard, Jason Rhian
