 Two aircraft continued towards Lima Site 85, while the others turned away.The Vietnam People's Air Force, in one of its few air attacks during the conflict, tried to destroy the radar at Lima Site 85.The An-2s flew over Phou Pha Thi, and their crewmen dropped 120 mm mortar shells through the aircraft's floor and then strafed their targets with 57 mm rockets mounted on the wing pods.