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 Headquarters Allied Powers Europe Europe, as well as smaller commands. From 1993, the staffing of ACE was reduced in line with personnel reductions already in progress since 1990 and the Schaefer Plan, drafted by retired German general Shaefer. Shaefer's aim was to begin the first effort to streamline NATO's Cold War structure to meet the new circumstances. Personnel in the headquarters fell from 18,354 in 1990 to 12,919 in 1996. Costs fell from US $621m to $482m over the same period. From 1994-c.1999, there were three Major Subordinate Commands in ACE: Allied Forces Northwestern Europe at RAF High Wycombe, Allied Forces Central Europe at