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Photograph
Lt. Albert F. Hegenberger and Lt. Lester J. Maitland
Photograph
Navigator for 1927 Lester Maitland first mainland U.S. to Hawaii flight, Oakland to Oahu, in Fokker C-2 "Bird of Paradise"
Photograph
Pioneered Air Corps navigation technology
Photograph
Navigator Albert Hegenberger facing rear and behind a semi-protective windscreen while making his celestial sightings.
Photograph
Alphonsus crater taken by Ranger 9 Spacecraft.
Photograph
Earhart's lack of familiarity with the Bendix radio direction finder was a significant liability.
Photograph
Trained in air navigation by P. V. H. Weems
Photograph
Trained in celestial navigation by Harold Gatty
Photograph
Left to right: Apollo 8 astronauts James A. Lovell Jr., William A. Anders, and Frank Borman.
Photograph
Astronauts used celestial sightings to update data stored in this computer, which calculated the spacecraft’s velocity and location.
