200th spacewalk at the International Space Station

The spacewalk marked a historic milestone for the ISS

NASA The spacewalk marked a historic milestone for the ISS

This still image provided by NASA shows astronauts Jack Fischer, left, and Peggy Whitson on a spacewalk outside the International Space Station on Friday, May 12, 2017.

Whitson and Fischer were to replace a large avionics box responsible for supplying electricity, data connections and replacement hardware outside of the space station.

The astronauts also completed additional tasks to install a connector that will route data to a device called the Alpha Magnetic Spectrometer, fix insulation at the connecting point of the Japanese robotic arm, and install a protective shield on the Pressurised Mating Adapter-3, which will host a new worldwide docking port for the arrival of commercial crew spacecraft. She already held the record for most spacewalks executed by a female astronaut. NASA TV coverage begins at 5:30 AM CDT.

The glitch affected equipment known as the servicing and cooling umbilical (SCU), which supplies power and oxygen to the spacesuits worn by veteran United States astronaut Peggy Whitson and her rookie counterpart, Jack Fischer.

Astronaut Thomas Pesquet representing the European Space Agency will assist the spacewalkers from inside the station.

Astronauts Peggy Whitson and Flight Engineer Jack Fischer perform the 200th spacewalk at the International Space Station. Find us on Facebook too!

Rookie flier Jack Fischer overcame an equipment glitch to complete a stunner of a spacewalk
NASA Rookie flier Jack Fischer overcame an equipment glitch to complete a stunner of a spacewalk

Astronauts kicked off space station construction in orbit in 1998.

Watch the spacewalk live from NASA's website here.

Fischer was also able to install a protective shield and a foot restraint on PMA-3, an attachment that will help commercial craft dock with the station via a future International Docking Adaptor. However, due to the delay at the beginning of the mission, some of the secondary tasks of the spacewalk might have to be canceled.

Whitson, who was making the ninth spacewalk of her career, could often be heard chuckling at Fischer's exclamations.

"It is a huge honor to work with all of you".

Whitson and Fischer completed the first and most important spacewalk task faster than usual. "It's humbling to be a part of their legacy".


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