NASA astronauts all set for emergency spacewalk outside International Space Station today
Expedition 51 Commander Whitson and Flight Engineer Fischer will replace a critical computer relay box that failed May 20.
May 23, 2017, 09:32 AM IST
Expedition 51 Commander Whitson and Flight Engineer Fischer will replace a critical computer relay box that failed May 20.
May 23, 2017, 09:32 AM IST