A prototype U.S. Navy Curtiss XSB2C-2 floatplane photographed in 1942. (U.S. Navy Photograph.)
Training flight of Douglas O-46A and North American O-47 aircraft assigned to the 104th Observation Squadron of the Maryland National Guard, March 1940. (U.S. Air Force Photograph.)
A Hawker Hurricane Mark I night fighter prepares for a night takeoff at Debden, Essex to intercept German raiders, March 1941. (Imperial War Museum Photograph.)
A Consolidated B-24 Liberator bomber is parked at Enfidaville Airfield, Tunisia in October 1943. (United States Army Air Force Photograph.)
Two British soldiers inspect a German StuG III assault gun knocked-out near Cassino, Italy in May 1944. (Imperial War Museum Photograph.)
A U.S. Army Air Force Vultee BT-13A Valiant basic trainer in flight during World War II. (U.S. Air Force Photograph.)
U.S. Navy ships at anchor off Ulithi Atoll in the Caroline Islands including the USS Wasp, USS Yorktown, USS Hornet, USS Hancock, USS Ticonderoga and USS Lexington. (U.S. Navy Photograph.)
“If your first suggestions aren’t hits, don’t be discouraged. Keep Trying! Make a Suggestion Today.” (Office for Emergency Management, Office of War Information, U.S. National Archives.)
Boeing B-29 Superfortresses of 468th Bombardment Group, XX Bomber Command attack Rangoon, Burma in March 1945. (U.S. Library of Congress Photograph.)
Bell P-39 Airacobra and Bell P-63 Kingcobra fighters are manufactured at an assembly plant of the Bell Aircraft Corporation at Wheatfield, New York. (U.S. Library of Congress Photograph.)