Numbered Air Force in the context of "Fifth Air Force"

The Twelfth Air Force (12 AF; Air Forces Southern, (AFSOUTH)) is a Numbered Air Force of the United States Air Force Air Combat Command (ACC). It is headquartered at Davis–Monthan Air Force Base, Arizona.

The command is the air component to United States Southern Command (USSOUTHCOM) conducting security cooperation and providing air, space, and cyberspace capabilities throughout Latin America and the Caribbean.

The Ninth Air Force (Air Forces Central) is a Numbered Air Force of the United States Air Force headquartered at Shaw Air Force Base, South Carolina. It is the Air Force Service Component of United States Central Command (USCENTCOM), a joint Department of Defense combatant command responsible for U.S. security interests in 27 nations that stretch from the Horn of Africa through the Persian Gulf region, into Central Asia.

Activated as 9th Air Force on 8 April 1942, the command fought in World War II both in the Western Desert Campaign in Egypt and Libya and as the tactical fighter component of the United States Strategic Air Forces in Europe, engaging enemy forces in France, the Low Countries and in Nazi Germany. During the Cold War, it was one of two Numbered Air Forces of Tactical Air Command.