A Curtiss XSO3C-1 Seamew scout floatplane in the large wind tunnel at the NACA Langley Research Center, Virginia, October 1940. (NASA Photograph.)
A Grumman F6F-3 Hellcat fighter is photographed on the aircraft carrier USS Yorktown as the U.S. Navy light cruiser USS Boise (CL-47) passes alongside. (U.S. Navy Photograph.)
A 15th Air Force armorer loads ammunition belts for the .50 caliber machine guns in the wings of a P-51 Mustang fighter plane before the fighter leaves an Italian air base for a mission against Axis targets, September 1944. (U.S...
Original Caption: The B-17G Sentimental Journey on display at the War Eagles Air Museum at the Doña Ana County Airport Oct. 2. The Sentimental Journey is one of only a handful of operational B-17s still available to the public...
A Beechcraft XA-38 Grizzly prototype in flight showing the forward-firing 75mm cannon. (U.S. Air Force Photograph.)
Diagram showing the armament of the M3 Medium Tank. (U.S. War Department Technical Manual TM 9-750, 1942.)
A Northrop N-3PB Nomad of No. 330 Squadron, Royal Air Force Coastal Command in Iceland, October 1941. (Imperial War Museum Photograph.)
Boeing B-17 Flying Fortress flies through heavy flak over the target during World War II. (U.S. Air Force Photograph.)
Marine F6F Hellcat night fighter parked on Orote Airfield on Guam, August 1944. (U.S. Marine Corps Photograph.)
The Independence-class light aircraft carrier USS Monterey (CVL 26) is shown at anchor in the Ulithi Atoll, Caroline Islands with a group of F-6F fighter aircraft on the flight deck, November 1944. (U.S. Navy Photograph.)
