 It is Building 100 on the base, and was erected in 1931 at a cost of $252,027.50.It was added to the National Register of Historic Places in 1987.Basic design and layout of Randolph Field (renamed Randolph Air Force Base in 1948), as the training facility to be built near Schertz, Texas, for the newly created Air Corps, was drafted by 1st Lt. Harold L. Clark of Kelly Field in 1928 and approved by Brigadier General Frank Purdy Lahm.