160923-N-XQ474-153 PHILIPPINE SEA (Sept. 23, 2016) The Arleigh Burke-class guided-missile destroyer USS Benfold (DDG 65), front, the Whidbey Island-class amphibious dock landing ship USS Germantown (LSD 42), middle, and the San Antonio-class amphibious transport dock ship USS Green Bay (LPD 20), back, transit the Philippine Sea in formation for a photo exercise during Valiant Shield 2016.The biennial, U.S. only, field-training exercise focuses on integration of joint training among U.S. forces. This is the sixth exercise in the Valiant Shield series that began in 2006. (U.S. Navy photo by Mass Communication Specialist 2nd Class Andrew Schneider/Released)