The Lucius D. Clay Kaserne, commonly known as Clay Kaserne, formerly known as Wiesbaden Air Base and later as Wiesbaden Army Airfield, is an installation of the United States Army in Hesse, Germany. The kaserne is located within the boroughs Wiesbaden-Erbenheim and Wiesbaden-Delkenheim. Named for General Lucius D. Clay, it is the home of the Army's 2d Theater Signal Brigade, 66th Military Intelligence Brigade and is the headquarters of the U.S. Army Europe and Africa (USAREUR-AF).