160815-N-BN625-002 SYDNEY, Australia (Aug. 15, 2016) The U.S. Deputy Under Secretary of the Navy for Management Thomas Hicks speaks to Royal Australian Navy officials and alternative fuel industry representatives aboard the Arleigh Burke-class guided-missile destroyer USS Stethem (DDG 63). Hicks highlighted the Great Green Fleet and how energy conservation methods can potentially enable the U.S. Navy to have a greater presence. (U.S. Navy photo by Chief Mass Communication Specialist Hendrick Simoes/Released)