International Space Station gets a big hand as astronauts carry out repair job

Spacewalking astronauts gave a hand to the International Space Station’s big robot arm on Tuesday.

Spacewalking astronauts gave a hand to the International Space Station’s big robot arm on Tuesday.

As the US federal government geared back up 250 miles below, Nasa astronauts Mark Vande Hei and Scott Tingle floated outdoors to install the new mechanical gripper.