You are here

Guidance and Navigation System, Command Module, Apollo, Test article


Display Status:

This object is on display in the Apollo to the Moon exhibition at the National Air and Space Museum in Washington, DC.

Collection Item Summary:

The Apollo Guidance and Navigation System was a combination of optical sensors, gyroscopes, a digital computer, and other devices, which managed the guidance and navigation of the Apollo Command, Service, and Lunar modules during the journey from Earth orbit to the Moon and back. This unit was used for testing and evaluation at the MIT Instrumentation Laboratory in Cambridge, Massachusetts, where the systems were built.

Donated by the MIT Instrumentation Lab to the Museum in 1976.

Collection Item Long Description:

Data Source

National Air and Space Museum


Do not reproduce without permission from the Smithsonian Institution, National Air and Space Museum


MIT Instrumentation Laboratory

Credit Line

Transferred from National Aeronautics and Space Administration


  • Metal housing, optical glass, wires, electrical components covered in potting compounds inside.
  • IMU covered with a soft foam of unknown composition.


3-D: 101.6 x 91.4 x 116.8cm (40 x 36 x 46 in.)

Country of Origin

United States of America



Inventory Number