APRA HARBOR, Guam (March 28, 2022) Rear Adm. Jeff Jablon, Commander, Submarine Force, U.S. Pacific Fleet, delivers remarks during a change of command ceremony for Commander, Submarine Squadron 15, held aboard the Los Angeles-class fast-attack submarine USS Springfield (SSN 761). Capt. Bret Grabbe, from Kansas City, Kansas was relieved by Capt. Carl Trask, from Glendora, Calif., at the ceremony held on the submarine piers on Naval Base Guam. (U.S. Navy photo by Mass Communication Specialist 1st Class Victoria Kinney)