Multimedia Gallery
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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.
Lizards, South America (Teius teguixin, Brachylophus fasciatus, Hoplodactylus pomarii)
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.
Length: 17 Minutes, 22 Seconds
The typically austere conditions present at many remote LORAN stations during World War II.
