Published April 08, 2015
Planes of the 135th Aero Squadron line up on Aug. 7, 1918, for the first mission flown over the Front by U.S.-built DH-4s. (U.S. Air Force photo)
The National Museum of the U.S. Air Force is located at:
1100 Spaatz Street Wright-Patterson AFB OH 45433
(near Dayton, Ohio)