Newly published color photos of American World War 2 bomber crews by celebrated TIME-LIFE photographer Margaret Bourke-White includes bicycles on the flight line.
Fuel shortages meant the military pulled out all of the stops to conserve, which meant crews often used bikes to get around the airfields of Europe.
The B-17 Flying Fortress shown here carried a crew of six to ten and was 75 feet long, only 13 feet longer than the modern F-22 Raptor single seat air superiority fighter jet.
View the full set over at LIFE.TIME.COM: World War II in Color: American Bombers and Their Crews, 1942. Via IO9 and Ubbe.