Multimedia Gallery
Astronomers had long known that the Moon changes its position against the background of the sky and stars fairly quickly. This steady motion could be used to measure time.
The USS Alabama was outfitted with a SINS system for navigation.
This cropped wartime advertisement utilized the spotlight given to the newly established aircrew position of non-pilot navigator.
Viking ship discovered in a burial mound at Gokstad, Norway.
Stanley is an autonomous robotic vehicle that won the 2005 Grand Challenge.
Aircraft equipment interprets a bearing from time delay in signals transmitted by a ground-based station.
Naval aviators had unique navigational challenges in the expansive environment of the Pacific theater.
The clock from the Spirit of St. Louis.
This war club was collected by the U.S. Exploring Expedition in Fiji.
