Supporters wave American flags along the shoreline as the USS Ronald Reagan, a Nimitz-class nuclear-powered super carrier, departs for Yokosuka, Japan from Naval Station North Island in San Diego, California  August 31, 2015. The Reagan is replacing the USS George Washington as part of a complicated three-carrier swap that exchanges crews for ships, saving the Navy millions in moving costs.  REUTERS/Mike Blake - GF10000188448
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