 Located in the outer Stuttgart district of Möhringen, Helenen Kaserne (the German name for the installation) officially opened May 7, 1938, housing members of the 5th Air Signal Regiment of the Luftwaffe.On December 5, 1945 Helenen Kaserne became an American installation, initially part of Stuttgart Post.The 7700th Troop Information and Education Group of the US Army became the first permanently assigned unit in 1947.