Artwork: "USAAS Spads of 22nd Aero Squadron" France 1918.
Edwin Ryan
US Air Force Art Collection <a rel="nofollow" class="external autonumber" href="http://www.defenseimagery.mil/index.htm">[1]</a> sayfasında <a rel="nofollow" class="external autonumber" href="http://www.defenseimagery.mil/imagery.html#a=search&amp;s=DF-SC-85-01772&amp;guid=f101ce1d0a52385e3df0aa6a8e60d363198a3d62">[2]</a>