GROTON, Conn. (July 29, 2022) Cmdr. Michael Lilleberg, incoming commanding officer for the Virginia-class fast attack submarine USS Vermont (SSN 792), arrives to a change-of-command ceremony at the U.S. Submarine Force Library and Museum in Groton, Connecticut, July 29, 2022. Vermont and crew operate under Submarine Squadron (SUBRON) FOUR and its primary mission is to provide fast-attack submarines that are ready, willing, and able to meet the unique challenges of undersea combat and deployed operations in unforgiving environments across the globe. (U.S. Navy photo by Chief Mass Communication Specialist Joshua Karsten)