The National Security Act of 1947 established the United States Air Force as a separate military branch. The Signal Corps was established as the first aeronautical force in the United States, becoming an official branch of the Army in 1863. They provided visual communications from aerial balloons during the Civil War. The United States Air Force is now the second youngest branch of United States. We hope the stories below inspire you to dig deeper and learn more about the history of the United States Air Force.
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