The History of the 86th Aero Squadron, beginning with its formation on August 17, 1917, its arrival at Vavincourt in France in August, 1918, and by September, 1918, serving at Behonne during the St. Mihiel offensive and the Meuse-Argonne drive. Their duty at that time was a salvage and repair squadron as an Advanced Air Depot. The unit returned to the U.S. on May 23, 1919. With articles, one a reprint from the Stars and Stripes: "The Air Serivce -- Its Deeds", editorials, drawings, photographs, maps, lists of officers, wit and humor, and cartoons.