Canadarm2 was not designed to catch spacecraft at the ISS. Now it's about to grab its 50th
![Canadarm2 was not designed to catch spacecraft at the ISS. Now it's about to grab its 50th](https://cdn.mos.cms.futurecdn.net/86j8NzK6cFLxs77w2pyM5b.jpg)
Canadarm2 launched in 2001 before companies made their own cargo craft. Now well-versed in the technique, the Canadian robot arm will catch Cygnus no earlier than Aug. 5.