The Inspector General of the Department of the Air Force is responsible for conducting investigations and inspections as directed by the Secretary of the Air Force, Chief of Staff of the United States Air Force, and Chief of Space Operations. The position was originally established after World War II as The Air Inspector, which was carried over from the United States Army Air Forces. The current mission of the Inspector General is prescribed by Title 10 and Title 32 of the United States Code to develop United States Air Force (USAF) and United States Space Force (USSF) policy to assess readiness, discipline and efficiency with a vision to help shape senior leader decisions affecting the readiness of the USAF and USSF to strengthen the nation's defense.

The Secretary of the Air Force, sometimes referred to as the Secretary of the Department of the Air Force, is the head of the Department of the Air Force and the service secretary for the United States Air Force and United States Space Force. The secretary of the Air Force is a civilian appointed by the president, by and with the advice and consent of the Senate. The secretary reports to the secretary of defense and/or the deputy secretary of defense, and is by statute responsible for and has the authority to conduct all the affairs of the Department of the Air Force.