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Pilot John W. "Jack" Frost waving from the cockpit.
John A. Pedlar and Mildred Doran posing with M. R. Lawing.
GPS-guided precision delivery system.
Seen in regular service before the September 1, 1983, shoot down of Flight 007.
A navigator of Squadron VP-7 demonstrates a Kaster Spherant in the nose of a Douglas PD-1, December 1929.
The periscopic sextant eliminated the need for astrodomes.
Lt. Lester Maitland and Lt. Hegenberger with the Fokker C-2 Bird of Paradise.
Philip Payne, James DeWitt Hill, and Lloyd Bertaud with their plane Old Glory.
This Lockheed RC-121D featured periscopic sextant ports for celestial sightings, eliminating the need for astrodomes.
The Astroinertial Navigation System helped this SR-71 Blackbird's crew set a coast-to-coast speed record of only 68 minutes.
