 While it flew some missions against airfields in China, it primarily bombed airfields, railways, and harbor facilities on Kyushu until August 1945.After V-J Day, the squadron remained on Okinawa until December 1945.Although the rest of the 41st Group moved to the Philippines, the 820th returned to the United States and was inactivated at the Port of Embarkation on 4 January 1946.