Private Cathay Williams was the only woman to serve in the US Army as a Buffalo Soldier. On November 15, 1866 she enlisted in the Army as a man. Williams reversed her name William Cathay and lived as a male soldier and served until she was found out due to the last of many illnesses she suffered while in service. She is the only documented black woman known to have served in the Army during these times when enlisting women was prohibited
Ronald Reagan, In December 1941, right after the U.S. entered into World War II, Reagan was drafted into the army. His near-sightedness kept him from the front so he spent three years in the army working for the Motion Picture Army Unit making training and propaganda films. Then he served as Governor of CA, and they went on to two terms as The President of the United States of America.