Innovative Tools for an Out-of-This-World Job

Servicing Mission 4 astronaut Drew Feustel trains with fellow astronauts and Hubble engineers in the clean room at NASA’s Goddard Space Flight Center. Feustel is using a computer-controlled power tool, called the Pistol Grip Tool, to install the Wide Field Camera 3 into a high-fidelity Hubble model. Credit: NASA