Canadarm2 - Part of the ISS Mobile Servicing System (MSS)

The Mobile Servicing System (MSS) is a robotic system used for International Space Station assembly and maintenance: moving equipment and supplies around the station, supporting astronauts working in space, and servicing instruments and other payloads attached to the space station. The MSS is composed of three separate components: Canadarm2, also known by its technical name, the Space Station Remote Manipulator System (SSRMS), Special Purpose Dexterous Manipulator (SPDM), and the Mobile Remote Servicer Base System (MBS). The SSRMS as part of Canada's contribution to the ISS.