160217-N-GY928-001 CANBERRA, Australia (Feb. 17, 2016) Commander, Submarine Group 7 Rear Adm. William R. Merz , shakes hands with former Director of Australian War Graves Chris Appleton, during a tour of the Australian War Memorial. Merz visited Australia to participate in Submarine Staff Talks with the Royal Australian Navy. (U.S. Navy photo by Lt. Matthew Linsley/Released)