Allied Command Operations

Allied Command Operations (ACO) is one of the two strategic commands of the North Atlantic Treaty Organization (NATO), the other being Allied Command Transformation (ACT). The headquarters and commander of ACO is Supreme Headquarters Allied Powers Europe (SHAPE) and Supreme Allied Commander Europe (SACEUR), respectively.

Locations of NATO's two strategic commands—Allied Command Transformation (ACT; yellow marks) and Allied Command Operations (ACO; red marks)—the latter of which has Supreme Headquarters Allied Powers Europe (SHAPE) as its headquarters. The subordinate centres of ACT and subordinate commands and joint force commands of ACO are also shown.