sentences:  It was a base for operations of the legendary "Flying Tigers", the 1st American Volunteer Group (AVG), of the Chinese Air Force, led by Claire Lee Chennault before the United States entered the war.After the US entered the war in December 1941, and starting in 1942, Wujiaba Airport was the headquarters of numerous United States Army Air Forces units, including the Fourteenth Air Force and later the Tenth Air Force.The USAAF Air Transport Command (ATC) established a major air transport facility at the airport, which connected flights west to Chabua Airfield, India, with other routes within China Jiangbei Airport (Chunking); Chengtu Air Base, and Banmaw Airport (Bhamo, Burma).