An American Delta IV rocket in the (5,4) configuration successfully blasted off from Space Launch Complex 37 at Cape Canaveral today, July 24th 2015 at 00:07 UTC. The 30th flight of the Delta IV carried the US Air Force's WGS-7 satellite into orbit.
WGS-7 (Wideband Global Satcom) has a planned life of atleast 14 years and with it's X-band and Ka-Band transponders will provide coverage for the United States.