For RRM, NASA's Goddard Space Flight Center designed a module simulating a satellite, as well as custom power tools for Dextre.

ENGADGET: Canada's Dextre robot refuels faux satellite from the ISS in first-of-a-kind test

Since RRM operations began in 2011, Dextre has performed three series of tests to show how a robot could service satellites, which were designed never to be opened in space.

ENGADGET: Canada's Dextre robot refuels faux satellite from the ISS in first-of-a-kind test