"Henderson" conducted training exercises off San Diego until 22 March 1953, when she departed for her third Korean tour. She took part in the siege of Wonsan harbor, supporting Korean troops with accurate and continuous gunfire, and conducted anti-submarine operations off Okinawa. The destroyer engaged in the vital coastal patrol, maintaining Allied control of the seas around Korea, until after the Korean armistice in July 1953. She arrived San Diego on 19 October 1953, after a total of 22 months of Korean duty.