A used WW1 US United States Army Air Service 1st Corps Other Ranks Tunic Jacket. This jacket is in excellent condition and comes complete with a Privates rank insignia, 2 years service stripes, and a 1st Corps SSI Div patch on the shoulder. This comes with both collar badges, one "US" and one for the United States Army Air Service. This tunic comes with all of its buttons. Approx chest size is 34 inches.