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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.
Map of Geographical Distribution of Plants and Animals for the U.S. Exploring Expedition
The Mark 3 Plotting Board was used in single-seat aircraft flying in the Pacific.
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 in pioneering trans-Pacific airline service by Pan American Airways.
Cmdr. John Rodgers and his crew spent nine days adrift at sea in this aircraft after failing to rendezvous with a refueling ship.
The U.S. Navy’s Curtiss NC-4 flying boat made the first crossing of the Atlantic by air in 1919.
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.
In the 1990s, the NIST-7 was the most accurate clock in the country and helped keep the GPS clocks synchronized.
