Biosensor, Sternal Harness, Apollo 11


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:

These biosensor leads detected and transferred information on heart function for an Apollo 11 astronaut. One lead was placed on the upper chest, while the other was placed on the lower chest. The remaining lead served as a ground for the first two leads. These leads and its accompanying telemetry hardware allowed flight surgeons and doctors to monitor astronaut health during the mission.

NASA transferred this to the National Air and Space Museum in 1979.

Collection Item Long Description:

Data Source

National Air and Space Museum

Restrictions & Rights

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


Credit Line

Transferred from NASA


Plastic, Rubber, Silver, Stainless Steel, Synthetic Fabric, Copper, Adhesive, Foam


  • Overall (Biosensors): 52.07 x 2.86 x 0.64cm (1ft 8 1/2in. x 1 1/8in. x 1/4in.)
  • Overall (Butterfly Closures, Each): 7.14 x 1.11 x 0.16cm (2 13/16in. x 7/16in. x 1/16in.)

Country of Origin

United States of America



Inventory Number