During World War I, the squadron was based at Toul (5 May 1918), Touquin (28 June 1918), Saints (9 July 1918) and Rembercourt (1 September 1918).

Lieutenant Frank Luke, Jr., known as the "Arizona Balloon Buster," for his daring feats against German observation balloons, was the squadron's most colorful ace.
His 18 victories cost him his life, and he was awarded the Medal of Honor.
Aircraft flown by the 27th during World War I include the Nieuport 28, Spad XIII and Sopwith F-1 Camel.
During World War I, the squadron was based at Toul (5 May 1918), Touquin (28 June 1918), Saints (9 July 1918) and Rembercourt (1 September 1918).
Lieutenant Frank Luke, Jr., known as the "Arizona Balloon Buster," for his daring feats against German observation balloons, was the squadron's most colorful ace. His 18 victories cost him his life, and he was awarded the Medal of Honor. Aircraft flown by the 27th during World War I include the Nieuport 28, Spad XIII and Sopwith F-1 Camel.
27th Fighter Squadron