Supreme Headquarters Allied Powers Europe Supreme Headquarters Allied Powers Europe Supreme Headquarters Allied Powers Europe (SHAPE) is the headquarters of the North Atlantic Treaty Organization's Allied Command Operations (ACO). SHAPE is located at Casteau, north of the Belgian city of Mons. The commander of ACO and SHAPE is Supreme Allied Commander Europe (SACEUR), a U.S. four-star general officer or flag officer who also serves as Commander, U.S. European Command. Since 1967 it has been located at Casteau, north of the Belgian city of Mons, but it had previously been located, from 1953, at Rocquencourt, next to Versailles, France. From 1951 to 2003, SHAPE was the
Supreme Allied Commander Europe since 4 May 2016. Since 2003 the Supreme Allied Commander Europe (SACEUR) has also served as the head of Allied Command Europe and the head of Allied Command Operations. The position of deputy head of Allied Command Europe (DSACEUR) – since 2003 known as deputy head of Allied Command Operations – has been held by the following officers. From January 1978 until June 1993 there were two Deputy SACEURs, one British and one German, but from July 1993 this reverted to a single Deputy SACEUR. Supreme Allied Commander Europe The Supreme Allied Commander Europe (SACEUR) is the commander of the