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Lt. Harry Crosby shortly before he deployed to England for combat in B-17 bombers with the 100th Bomb Group of the Eighth Air Force.
The Mark 3 Plotting Board was used in single-seat aircraft flying in the Pacific.
This compact projector used film strips to overlay star curves onto special plotting charts to determine lines of position.
The Mark IIB Pelorus drift sight was lighter than most drift sights, but required more work to use.
Widely used by navigators in the Navy during World War II and the early Cold War.
Used for plotting on larger aircraft, such as bombers and transports.
This mid-1950s era VOR receiver helped usher in a new era of all-weather navigation capability for light aircraft at moderate cost.
Aircraft equipment receives microwave signals to create an image of ground features from signal time delays.
Less than two months after arriving in England, Crosby had his first major test as a lead navigator on the Eighth Air Force’s most daring mission to date. The target was a German naval installation. It was regarded as a major success, and Crosby received the Distinguished Flying Cross for his efforts.
