1944年9月15日在中国怒江前线，美军向日军飞机开火

美军的Y部队于中国西南部的怒江旁的隐蔽山谷向日军飞机开火。在1944年9月15日，美军的Y战队与中国军队会合，并由约瑟夫·史迪威将军的部队带领从缅甸途径列多和滇缅公路一路前进,并在9月14日和中国军队一同解放了腾冲。腾冲是抗战七年多以来第一个从日军手上夺回的城市。

9/15/44U.S.Soldiers Fire at Japanese Plane on Salween Front in China

Troops of the U.S.Y-Force Operations Staff open fire on aJapanese plane from slit trenches on ahillside on the Salween River front in southwestern China.The Y-Force is participating with Chinese forces that on Sept.15th1944,forms ajunction with U.S.General Joseph W.Stilwell's troops driving from Burma.Ledo and Burma roads,followed the liberation by Chinese forces on Sept.14,of Tengchung,the first large Chinese city to be forced of Japanese rule in more than seven years of war.