Watch NASA astronauts perform live repair spacewalk at the ISS

NASA astronauts on Monday performed spacewalk outside the International Space Station. This spacewalk was a third in the series of spacewalks aimed at repairing the Alpha Magnetic Spectrometer, a cosmic ray detector. 

Astronauts Luca Parmitano and Andrew Morgan are performing the repair spacewalk.

Christina Koch and Jessica Meir assisted the spacewalkers with their suits. Meir will operate the robotic arm transporting to the worksite. Jeremy Hansen of  will communicate from Mission Control.