Lt. Britta Christianson, Gold Crew supply officer for the guided-missile submarine USS Ohio (SSGN 726), is congratulated by her former commanding officer, Capt. Dixon Hicks, after she was presented with her submarine supply corps "dolphins" during a ceremony at Puget Sound Naval Shipyard. Christianson is the first female supply corps officer to qualify in submarines. (U.S. Navy photo by Chris Calnan/Released)