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 Commander Atlantic" (SACLANT), and the entire command was usually known as SACLANT. Both Supreme Commander have, until 2009, been American, with a deputy commander from another NATO member, though only British and Germans have held the post. In June 2003, the commands were reshuffled. One command was given responsibility for operations, and one for transforming the military components of the alliance to meet new challenges. In Europe, Allied Command Operations was established from the former Allied Command Europe, and given responsibility for all NATO military operations worldwide. However, for legal reasons, SACEUR retained the traditional title including Europe. In the