The Eleventh Air Force (11 AF) is a Numbered Air Force of the United States Air Force Pacific Air Forces (PACAF). It is headquartered at Joint Base Elmendorf–Richardson, Alaska. 11 AF plans, conducts, controls and coordinates air operations in accordance with the tasks assigned by the commander, Pacific Air Forces, and is the force provider for Alaskan Command, the Alaska North American Aerospace Defense Command Region and other unified commanders. The Commander, Eleventh Air Force, also serves as Commander, Alaskan Command, and as commander of the Alaskan North American Aerospace Defense Command Region. The NORAD mission is accomplished largely through the PACAF Regional Support Center (PRSC), the 611th Air and Space Operations Center, and units of the Alaska Air National Guard (AK ANG).