March 5: The Museum in Washington, DC will open today. Due to weather, the Udvar-Hazy Center in Chantilly, VA is closed.
This is an unflown example of a device mounted in the Apollo spacecraft, which provided astronauts with a visual indication of their attitude in three-dimensional, zero-gravity, inertial space.
Transferred from NASA to the Museum in 1979.
Transferred from the National Aeronautics and Space Administration