Astronauts have tested its arms and the brakes that slow them down, demonstrating that everything seems to be running well. There was one case of a slip, but officials say they aren't concerned. Nevertheless, it's not as if Dextre is going to go to work right away. The robot's first scheduled mission won't take place for another year, according to reports. In the meantime, astronauts—one of whom says Dextre looks like a Star Wars prop on the outside of the ISS—will run it through tests, and get used to handling their new assistant.