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The Apollo spacecraft contained a separate, inertial guidance and navigation system that enabled its crew to navigate from Earth orbit to the Moon and back. It consisted of three principal parts. One was an inertial measurement unit (IMU), which contained gryoscopes and accelerometers that established a base position and attitude for the craft. The second was an optical unit, which allowed the astronauts to update the IMU's settings based on sightings of stars and planets. The third was a digital computer.

This artifact is a fragment of the display and keyboard that astronauts used to operate the computer. It is an unflown article but identical to what was flown on Apollo missions.

NASA transferred this object to the Museum in 2001.

 Display Status

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin United States of America Type SPACECRAFT-Crewed-Guidance & Control Manufacturer Raytheon Corp.
 Dimensions 3-D: 8.9 x 2.5 x 11.4cm (3 1/2 x 1 x 4 1/2 in.)
 Materials Non-Magnetic White Metal Alloy
Aluminum
Plastic
Glass
 Inventory Number A20010305002 Credit Line Transferred from NASA, Johnson Space Center Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
For more information, visit the Smithsonians Terms of Use.