Into the Blue: Uniforms of the United States Air Force, 1947 to the Pr Military U.S. Air Force Sergeant Uniform at Boston Costume Did You Know? A Brief History of U.S. Air Force Uniforms When the U.S. Air Force became an independent branch in 1947, it did not immediately have its own uniforms. Airmen Why so blue? History of Air Force service uniform > Ramstein Air Base > Article Display Into the Blue: Uniforms of the US Air Force 1947 to the Present Vol 1 Collector Bookstore