A man wearing an Air Force uniform.
- the aviation branch of the armed forces of a country
- an organizational unit of an aviation force
- in the U.S. Air Force, a unit lower than an air command, usually made up of several air divisions
- The aviation branch of a country's armed forces, such as the US Air Force.
- See numbered air force.
- The United States Air Force.
- Sports teams representing the United States Air Force Academy.