
On May 12, 1938, YB-17s led by chief navigator 1st Lt. Curtis LeMay used dead reckoning to locate the Italian liner Rex 775 miles off the U.S. East Coast. (U.S. Air Force)
On May 12, 1938, YB-17s led by chief navigator 1st Lt. Curtis LeMay used dead reckoning to locate the Italian liner Rex 775 miles off the U.S. East Coast. (U.S. Air Force)