Operation Gladio by the dissolution of the French stay-behind paramilitary movements. Historian Daniele Ganser claims that: Next to the CPC, a second secret army command center, labeled Allied Clandestine Committee (ACC), was set up in 1957 on the orders of NATO's Supreme Allied Commander in Europe (SACEUR). This military structure provided for significant US leverage over the secret stay-behind networks in Western Europe as the SACEUR, throughout NATO's history, has traditionally been a US General who reports to the Pentagon in Washington and is based in NATO's Supreme Headquarters Allied Powers Europe (SHAPE) in Mons, Belgium. The ACC's duties included elaborating on
Gustave Fourreau - Major) on July 1, 1959. He was assigned to the 13th Demi-Brigade of the Foreign Legion 13 DBLE on four different occasional tours. The first assignment was at Bougie on July 22, 1960, on August 10, 1960, on November 3, 1960, then on November 17, 1961. He was then nominated to the 1st Mounted Chasseur Groupment () at Reims. He was promoted to the rank of Lieutenant-colonel, on October 1, 1964. In October, he was nominated to the Command of the general staff headquarters of Supreme Allied Armed Forces () in Europe, the Supreme Headquarters Allied Powers Europe SHAPE.