Sailors in dress blues stands at the edge of the guided-missile destroyer USS John S. McCain (DDG 56) manning the rails as the ship leaves port. - YOKOSUKA, Japan (Oct. 28, 2019) - The Arleigh Burke class guided-missile destroyer USS John S. McCain (DDG 56) departs Fleet Activities Yokosuka to conduct comprehensive at-sea testing. This is the first underway for John S. McCain since its collision in 2017. John S. McCain is assigned to Destroyer Squadron (DESRON) 15 and forward-deployed to Yokosuka, Japan. (U.S. Navy Photo by Mass Communication Specialist 1st Class Torrey W. Lee)