Randolph Air Force Base is a United States Air Force base located at Universal City, Texas. The base is under the jurisdiction of the 902d Mission Support Group, Air Education and Training Command (AETC) and is the headquarters of AETC's Nineteenth Air Force. Opened in 1931, Randolph has been a flying training facility for the United States Army Air Corps, the United States Army Air Forces, and the Air Force during its entire existence.