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
Clarence Dunlap to Europe in 1958, Dunlap was appointed Deputy Chief of Staff (Operations) at Supreme Headquarters Allied Powers Europe (SHAPE). There he wrote and article for the "European-Atlantic Review" about the role of Europe's radar shield. Dunlap was promoted to air marshal and served as Chief of the Air Staff in 1962. His final service appointment was as the Deputy Commander of the North American Aerospace Defense Command (or NORAD) from 1964 to 1967. He retired from RCAF in 1968. In retirement Dunlap worked on a voluntary basis to support the development of the National Aviation Museum in Ottawa. In 1979