India, Aug. 7 -- NASA astronauts Anil Menon and Jessica Meir on Friday concluded their spacewalk outside the International Space Station to assemble the modification kit for its power channel that would allow addition of solar arrays.

The spacewalk - 281st in support of the space station - sixth for Meir and first for Menon began at 8:33 am EDT (6:03 pm IST) on Thursday and concluded at 3:00 pm EDT (12:30 am IST Friday).

Menon and Meir exited the Quest airlock and carried out structural upgrades on the exterior of the orbital laboratory during the six-hour, 27-minute spacewalk.

Their primary objective centred on installing mounting hardware on the station's 3B power channel, located on the Starboard 6 truss segment.

"This work will en...