JOINT BASE PEARL HARBOR-HICKAM (May 18, 2021) Cmdr. Corey Barksdale, from Matoaca, Virginia, right, salutes Capt. Michael Majewski, commodore, Submarine Squadron 7, as he assumes command of the Los Angeles-class fast-attack submarine USS Columbia (SSN 771). Barksdale relieved Cmdr. Tyler Forrest, from Linwood, New Jersey, as Columbia's commanding officer during the ceremony. (U.S. Navy photo by Mass Communication Specialist 1st Class Michael B. Zingaro)