The P-40 Warhawk “Red Ball” on display at NACA during World War II. (NASA Photograph.)
A new B-17F Flying Fortress bomber warms up its engines at Boeing’s factory in Seattle as it prepares for a flight test. (Library of Congress Photograph.)
Boeing B-17G Flying Fortress of the 92nd Bomb Group at RAF Podington. (U.S. Air Force Photograph.)
The Curtiss XP-40 Warhawk fighter undergoes drag-reduction testing in the full-scale wind tunnel at Langley Research Center in 1939. (NASA Photograph.)
A Luftwaffe FW 190 fighter shot down by 9th Air Force Mustangs over the American sector in Normandy in July 1944. (U.S. Air Force Photograph.)
B-26 Marauder recognition sheet. (U.S. War Department.)
Women’s Auxiliary Air Force (WAAF) and RAF trainee ground crew perform maintenance work on a Hawker Hart biplane as part of the Commonwealth Joint Air Training Plan at Waterkloof near Pretoria, South Africa. (Imperial War...
A U.S. Navy Martin AM-1 Mauler attack aircraft in flight at the Naval Air Test Center (NATC) at Naval Air Station Patuxent River, Maryland. (U.S. Navy Photograph.)
A Douglas OA-4A Dolphin photographed at the Langley Aeronautical Laboratory in September 1938. (NASA Photograph.)
Test installation of a triple rocket launcher mounted on a P-38 Lightning. (U.S. Air Force Photograph.)
