Emergency spacewalk outside ISS underway; NASA astronauts Peggy Whitson and Jack Fischer take the reigns – Watch LIVE
The failed relay box was installed in the space station truss March 30 during a spacewalk by Whitson and Expedition 50 commander Shane Kimbrough.
May 23, 2017, 18:04 PM IST
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
Emergency spacewalk: Here's why NASA astronauts will venture outside space station on Tuesday
The multiplexer-demultiplexer (MDM) data relay box on the S0 truss failed on Saturday morning.
May 22, 2017, 11:31 AM IST
