Visit us in Washington, DC and Chantilly, VA to explore hundreds of the world’s most significant objects in aviation and space history.
Learn how aviation and spaceflight transformed the world.
The lunar module represents one of humanity’s greatest achievements: landing people on another heavenly body.
Don’t miss our fast-paced webcasts designed to engage students in Science, Technology, Engineering, and Math in 30 minutes.
Experts answer your questions about aerospace.
Our scientists are involved in current research focused on the Martian climate and geology. Find out what we’re discovering.
Recognize your favorite air or space enthusiast. Add their name to the Museum’s Wall of Honor.
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Watch developed and used by Lindbergh in celestial navigation.
This object is on display in the Time and Navigation exhibition at the National Air and Space Museum in Washington, DC.
National Air and Space Museum Collection
National Air and Space Museum in Washington, DC
Time and Navigation
Transferred from the United States Air Force Museum
Captain Philip Van Horn Weems
Charles A. Lindbergh
Longines-Wittnauer Watch Co.
Weems System of Navigation
United States of America
metal, glass, leather
3-D: 11 × 5.5 × 1.3cm (4 5/16 × 2 3/16 × 1/2 in.)
National Air and Space Museum
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