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
Supreme Allied Commander in July 1945 shortly after the End of World War II in Europe. In 1951, Eisenhower would again be a Supreme Allied Commander, the first to hold the post for NATO (see next section). Field Marshal Henry Maitland Wilson succeeded Eisenhower in the Mediterranean theatre, given the title Supreme Allied Commander Mediterranean. Wilson was succeeded by Field Marshal Harold Alexander, who continued in charge of those Allied forces until the end of the war. Admiral of the Fleet Lord Louis Mountbatten was Supreme Allied Commander South East Asia (SACSEA) throughout most of its existence. He replaced General Archibald Wavell. General