Russian spacewalkers test European robotic arm on the space station Friday

The energetic International Space Station cosmonauts blasted through their assigned tasks quickly Friday (Sept. 2), then worked ahead to extend a big boom on camera.

Russian spacewalkers test European robotic arm on the space station Friday
The energetic International Space Station cosmonauts blasted through their assigned tasks quickly Friday (Sept. 2), then worked ahead to extend a big boom on camera.