PACIFIC OCEAN (June 21,2022) Rear Adm. James A. Kirk, commander, Carrier Strike Group 15, is piped aboard. Rear Adm. Joseph Cahill, relieved Rear Adm. James Kirk, as commander, Carrier Strike Group 15, in the hangar bay aboard the aircraft carrier USS Nimitz (CVN 68). (U.S. Navy photo by Mass Communication Specialist 3rd Class David Rowe)