 As the Japanese took Changsha in June 1944, Chennault criticized Stilwell for trying to command the Chinese armies from Burma, sending a message to Washington saying no-one had seen Stilwell in southern China recently.Following their victory in the Fourth Battle of Changsha, the Japanese began to advance on the city of Hengyang held by the 10th Chinese Army commanded by General Xue Yue.The 14th Air Force bombed the supply lines of the advancing Japanese and Chennault reported to Washington that his "boys" had shot down 210 Japanese planes in the aerial battles over Hengyang.