WW1 US Army Air Service Pilots Leather Flight Helmet, with 17th Aero Squadron Artwork, named to Lieutenant A. The item "WW1 US Air Service Pilots Leather Flight Helmet with 17th Aero Squadron Artwork" is in sale since Monday, August 9, 2021. This item is in the category "Collectibles\Militaria\WW I (1914-18)\Original Period Items\United States\Hats & Helmets". The seller is "3590" and is located in Deerfield, Illinois. This item can be shipped to United States, all countries in Europe, Canada, Australia.