He was attached to "B" flight, led by Hugh "Dingbat" Saunders, the sometimes-wingman to RAF ace Andrew Beauchamp-Proctor (along with Philadelphia-born Joseph "Child Yank" Boudwin), all three pilots flying the Royal Aircraft Factory S.E.5a.

In August 1918, Vaughn was transferred to the 17th Aero Squadron, United States Air Service, where he flew the Sopwith Camel, claiming another six victories.

[1] In November 1919, Vaughn was presented with the Distinguished Flying Cross by the Prince of Wales aboard H.M.S.

[citation needed] Vaughn's memoirs were published in a book called: War Flying in France, edited and annotated by Marvin L.

In 1933, he was promoted to lieutenant colonel and assigned to the 27th Division Staff as Air Officer until he retired in 1939.

Lieutenant Vaughn while leading an offensive flight patrol sighted 18 enemy Fokkers about to attack a group of five allied planes flying at a low level.

In all, he has accounted for six enemy aircraft, five machines destroyed and one driven down completely out of control, and one kite balloon."