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 Headquarters Allied Powers Europe in on a reduction to two commands, it was successful in that a European officer was not placed in charge of the new southern command (now Allied Joint Force Command Naples), a move which France and Germany supported. Despite French President Jacques Chirac exchanging letters with Bill Clinton personally over the issue in September–October 1997, the United States stood firm and today an American admiral remains in charge of the Naples command. In addition to the two continental commands AFNORTHWEST covered the United Kingdom and Scandinavia. An early retirement again disrupted the Mons headquarters in 2000 as General Wesley Clark