Supreme Headquarters Allied Powers Europe government offered Camp Casteau, a 2 km² Belgian Army summer training camp near Mons, which was an area in serious need of additional economic investment. In September 1966, NATO agreed that Belgium should host SHAPE at Casteau. SHAPE closed its facility at Rocquencourt near Paris on 30 March 1967, and the next day held a ceremony to mark the opening of the new headquarters at Casteau. The drawdown of the British Mediterranean Fleet, the military difficulties of the politically decided command structure, and the withdrawal of the French from the military command structure forced a rearrangement of the command arrangements
Operation Althea additional troops from other countries such as Chile and Turkey. EUFOR's commander is currently Major General Martin Dorfer (Austria), since March 2018. For this mission, the European Union Military Staff is using NATO's Supreme Headquarters Allied Powers Europe (SHAPE) as the EU's Operational Headquarters (OHQ) and is working through the Deputy to the Supreme Allied Commander Europe, a European officer. The EUFOR assumed all the missions of the SFOR, except for the hunt for individuals indicted by the war criminals tribunal, notably Radovan Karadžić, former leader of Republika Srpska, and Ratko Mladić, their former military leader, which remained a mission