Use the arrow keys to move the Canadarm. Use the A and S keys to rotate the claws on the canadarm. To grab the module, press D. Once positioned on the spaceship, press F to let it fall into place. Space key opens claw. a Building the International Space Station (ISS) is no easy task! The crews of the ISS have to attach have to attach modules weighing tons, extend solar panels longer than a bus, and haul equipment to and from the space shuttle. Canadarm2 is a Canadian-made robotic arm located on the International Space Station (ISS) that helped astronauts such as Marc Garneau and Chris Hadfield build the ISS in space. Since 2001, the 17-metre long Canadarm2 has been helping move equipment, supplies, astronauts, and even spacecraft such as SpaceX’s Dragon capsule around the ISS.