'Channel Wing' Plane -- Frank D. Kelley, Hagerstown, Md., commercial photographer and President of National Aircraft Corporation, sits at the controls of an unusual aircraft with "Custer Channel Wings", which resemble halves of Barrels. Kelley has flown the craft on several brief flights according to the inventor of the strange machine, Willard R. Custer. Photo, made 10 days ago, released by Kelley in Hagerstown, July 3. July 03, 1948. (Photo by AP Wirephoto).