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Japanese, US astronauts on spacewalk to fix robotic arm

The goal of the spacewalk is to move some components related to the space stations Canadian-built robotic arm, known as Canadarm2, an aging but crucial piece of equipment which has undergone a series of repairs in recent months.

world Updated: Feb 16, 2018 20:59 IST
Photo provided by NASA shows astronauts Norishige Kanai of Japan (L) and NASA astronaut Mark Vande Hei during a spacewalk on the International Space Station on Friday.
Photo provided by NASA shows astronauts Norishige Kanai of Japan (L) and NASA astronaut Mark Vande Hei during a spacewalk on the International Space Station on Friday. (AP)

A Japanese and an American astronaut floated outside the International Space Station on Friday on a spacewalk to repair the orbiting outposts robotic arm and move some equipment into storage.

The spacewalk is the first for Japanese Aerospace Agency (JAXA) astronaut Norishige Kanai, and the fourth for his US counterpart Mark Vande Hei.

The outing began at 7am (1200 GMT) when the duo switched their spacesuits to battery power before venturing out into the vacuum of space. It is expected to last six and a half hours.

Kanai, 41, is a medical doctor and diver who goes by the nickname “Neemo.”

The Tokyo-born lieutenant in the Japanese Maritime Self-Defense Force became an astronaut in 2009.

He also spent 13 days in the Aquarius underwater lab off the coast of Florida as part of NASAs Extreme Environment Mission Operations (NEEMO) crew in 2015.

Kanai is the fourth Japanese astronaut to walk in space.

The goal of the spacewalk is to move some components related to the space stations Canadian-built robotic arm, known as Canadarm2, an aging but crucial piece of equipment which has undergone a series of repairs in recent months.

The robotic arm is used to move astronauts and heavy equipment around outside the research laboratory.

The astronauts must move a spare handpiece, called the Latching End Effector (LEE), from a storage spot outside the ISS into the Quest airlock so it can be returned to Earth on a future cargo mission for refurbishment and eventual relaunch.

“This LEE was replaced during an Expedition 53 spacewalk in October 2017,” NASA said in a statement.

“They also will move an aging, but functional, LEE that was detached from the arm during a January 23 spacewalk and move it from its temporary storage outside the airlock to a long-term storage location.”

That LEE will be kept at the station as a spare.

Fridays spacewalk is the 208th in support of space station assembly and maintenance, and the third this year.