Multimedia Gallery
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Document
A useful handbook of astronomical tables, meteorological information, and navigational instructions.
Film
Length: 1 Minute, 51 Seconds
Photograph
Engineers checking the second Transit satellite.
Photograph
Wiley Post extensively modified the Winnie Mae for his 1931 around-the-world flight with Harold Gatty.
Photograph
Engineers working on the third prototype GPS satellite.
Photograph
Army Air Corps navigation engineer
Photograph
Army Air Corps navigation engineer
Artifact
This is one of the first commercial GPS receivers.
