 During the battle, the Chinese managed to amass 133 large caliber guns, 24 BM-13 rocket launchers and 47 anti-aircraft guns in the largest Chinese artillery operation during the Korean War, and it posed a serious threat to ground troops of the ROK 2nd Infantry Division operating in the area.The artillery was heavily guarded, forcing the UN forces to use airpower to combat them.Late in the morning of November 22, 1952, Loring led a flight of four F-80s on patrol over Kunwha.