Master Timing Unit, Space Shuttle

Display Status:

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.

Collection Item Summary:

This device was part of the avionics for the Space Shuttle Orbital Vehicle-102. It was flown in space on the STS-9 mission. The device was transferred from NASA in 2014. Using a crystal oscillator, it proveded a stable and accurate time reference for all other Orbiter operations.