180413-N-LY160-0111 PEARL HARBOR (April 13, 2018) A change of command ceremony is held aboard the Los Angeles-class fast-attack submarine USS Santa Fe (SSN 763) on the submarine piers in Joint Base Pearl Harbor-Hickam, April 13, 2018. Cmdr. Christopher Hedrick relieved Cmdr. Jacob A. Foret as Santa Fe commanding officer. (U.S. Navy photo by Mass Communication Specialist 2nd Class Michael Lee/Released)