The Air Command and Staff College is located at Maxwell Air Force Base in Montgomery, Alabama and is the United States Air Force's intermediate-level Professional Military Education school. It is a subordinate command of the Air University, also located at Maxwell AFB, and is part of the Air Education and Training Command headquartered at Randolph Air Force Base, Texas.ACSC prepares field grade or equivalent level commissioned officers of all U.S. military services in pay grade O-4, equivalent rank international military officers, and U.S. Department of Defense and Department of the Air Force civil servants of at least GS-12/GM-12 level, to assume positions of higher responsibility within the military and other government organizations.