Randolph Field Historic District is a National Historic Landmark District encompassing the central portion of Randolph Air Force Base, near San Antonio, Texas, USA. Randolph Field was innovatively designed using Garden city movement principles, and includes a unique and well-preserved assemblage of Mission Revival and Art Deco architecture. Built between 1929 and 1931, it was the first permanent flight training facility of the United States military establishment, then the United States Army Air Corps and later the United States Air Force. It was listed on the National Register of Historic Places in 1996, and was declared a National Historic Landmark in 2001.