17 December 2024 For First Time, Australian Submariner Earns US Dolphins The U.S. Navy qualified the first Royal Australian Navy officer on a nuclear-powered Virginia-class submarine at Commander, Fleet Activities Yokosuka, Dec. 12. In a pier-side ceremony, Rear Adm. Chris Cavanaugh, commander, Submarine Group 7 awarded Royal Australian Navy Lt. Cmdr. James* the first...