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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.
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Garmin GPS 155, Prototype
Aluminum chassis, digital display plate, circuit cards with integrated circuits, rechargable battery pack, 3 connectors on back face plate, front case has control knobs and 10 keys.
The GPS 155 was the first Global Positioning System (GPS) receiver certified for U.S. operation in Instrument Flight Rules (navigating only by instruments). This certification marked the move toward a single GPS-centered navigational and surveillance system for air traffic control.
This object is on display in the Time and Navigation exhibition at the National Air and Space Museum in Washington, DC.