The Canadarm2, a 56-foot-long arm that has been in operation for more than 25 years on the International Space Station, is undergoing repairs after a joint malfunctioned last month. The arm is an important part of the ISS and is used to move large equipment and capture cargo vehicles. »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS For breaking news, video, audio and in-depth coverage: https://www.cbc.ca/news Follow CBC News on TikTok: https://www.tiktok.com/@cbcnews