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An air division is a unit within the U.S. Air Force that is larger than a wing but smaller than an air force. It typically includes a headquarters and two to five wings. The U.S. Air Force itself is a primary branch of the United States armed forces, responsible for air warfare, air defense, and military space research. Its origins trace back to balloon reconnaissance during the American Civil War, with formal military aviation units developing in the early 20th century. The organizational structure of the Air Force, from largest to smallest, includes commands, air forces, air divisions, wings, groups, squadrons, and flights.12

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  1. air division
  2. United States Air Force

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