GROTON, Conn. (Nov. 20, 2020) Cmdr. Dan Patrick, outgoing commanding officer of the Virginia-class submarine Pre-Commissioning Unit (PCU) Oregon (SSN 793), left, salutes his relief, Cmdr. Lacy Lodmell, right, during a change of command ceremony at Flasher WWII Memorial in Groton, Conn. PCU Capt. Andrew Miller, commodore of Submarine Squadron (SUBRON) 4, center, presided over the event. (U.S. Navy photo by Chief Mass Communication Specialist Joshua Karsten)