YOKOSUKA, Japan (Jan. 11, 2022) A Sailor aboard the Arleigh Burke-class guided-missile destroyer USS Ralph Johnson (DDG 114) receives a COVID-19 booster shot. USS Ralph Johnson is assigned to Task Force 71/DESRON 15, the Navy’s largest forward-deployed DESRON and the U.S. 7th fleet’s principal surface force. (U.S. Navy photo by Mass Communication Specialist 2nd Class Samantha Oblander)