NASA's robotic gas station can now also inspect satellites
 

It's been two years since the Robotic Refueling Mission (RRM) was last active aboard the ISS, but now it's back with new functions to offer. The RRM (seen above) was originally an experimental set of tools that can refuel the propellant tanks of sate...

http://www.engadget.com/2015/07/21/n...=rss_truncated