Canadarm2 | International Space Station

The Canadian Robotic Arm
Location: Approximately 400 km above Earth
Canadarm2 is a 17 meter-long robotic arm that assembled the International Space Station (ISS) while in space. It is routinely used to move supplies, equipment and even astronauts. As well as supporting the Station's maintenance and upkeep, it is responsible for performing "cosmic catches," the capturing and docking of unpiloted spacecraft that carry everything from science payloads to necessities for the 6-person crew on board the ISS.
Built in Brampton, Ontario by MacDonald, Dettwiler and Associates Ltd. (MDA)

Composition: 19 layers of high-strength carbon thermoplastic fibres
Seven degrees of freedom, making it very similar to a human arm:
three joints at the shoulder
one joint at the elbow
three joints at the wrist

Credit: Canadian Space Agency (CSA)

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