Supreme Headquarters Allied Powers Europe Command Operations has at its disposal standing forces such as: Airlift support for SACEUR's travels is provided by the USAF's 309th Airlift Squadron at Chièvres Air Base, Belgium. In 2012 and 2013, NATO underwent a reorganization of the military command, and the land component commands at Heidelberg and Madrid were deactivated, the maritime component command at Naples was closed and the air component command at Izmir also shut down. Today Allied Command Operations (ACO) is one of the two strategic commands of NATO (the other being Allied Command Transformation (ACT). Under this structure, there are two joint force operational headquarters
NORTHAG wartime structure in 1989 There were two additional French corps (III Corps, ) associated with the Army Group. In 1966, France had withdrawn from the NATO Command Structure, but still wished to take part in the defence of Western Europe. A series of secret agreements made between NATOs Supreme Allied Commander Europe (SACEUR) and the French Chief of the Defence Staff detailed how French forces would reintegrate into the NATO Command Structure in case of war. At the outbreak of hostilities the French First Army would be placed directly under the command of Supreme Headquarters Allied Powers Europe (SHAPE), which would employ the three