 As soon as reports of the approach of the bombers at an altitude of four thousand meters came in, the pilots led by Colonel Gao ascended through the clouds, and found the enemy bombers in loose formation.Gao Zhihang pinpointed a Japanese G3M bomber and shot it down, sending it crashing in flames in the town of Banshan by the airfield.This was the first official victory for the Chinese Air Force against the invading Japanese air power.