US Air Force Birthday, 1947 r

Sep 18; US Air Force Birthday.

Birthdays of All Military Branches:

National Guard: Dec 13, 1636
U.S. Army: Jun 14, 1775
U.S. Navy: Oct 13, 1775 (Abolished Feb 1781 – Reinstated Sep 7, 1781)
U.S. Marine Corps: Nov 10, 1775
U.S. Coast Guard: Aug 4, 1790
U.S. Air Force: Sep 18, 1947