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Controller, Attitude, Gemini 8


Display Status:

This object is on display in the Human Spaceflight exhibition at the Steven F. Udvar-Hazy Center in Chantilly, VA.

Collection Item Summary:

This device is part of the Attitude Control and Maneuver Electronics (ACME) for the Gemini spacecraft designed by Honeywell, Inc. The ACME provided attitude control, automatically or manually, during all flight phases of a mission. It worked in conjunction with the spacecraft rate gyros, inertial platform, horizon sensors, computer, and hand inputs to provide commands to the craft's thrusters.

This specimen was installed on the Gemini 8 spacecraft, which flew in March 1966.

Transferred by NASA to the Museum in 1970.

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


Credit Line

Transferred from the National Aeronautics and Space Administration


  • Case: aluminum.
  • Electronic components made of different materials inside.


3-D: 41.9 x 21.6 x 12.7cm (16 1/2 x 8 1/2 x 5 in.)

Country of Origin

United States of America


INSTRUMENTS-Flight Management

Inventory Number