SAN DIEGO (Aug. 19, 2021) Boatswain's Mate 2nd Class Pierre Humphries, from Chicago, pipes aboard Capt. Amy Bauernschmidt, incoming commanding officer of the aircraft carrier USS Abraham Lincoln (CVN 72), during a change of command ceremony held on the flight deck. (U.S. Navy photo by Mass Communication Specialist 3rd Class Jeremiah Bartelt)