Kayla Barron and Raja Chari were outside the orbiting lab for nearly seven hours.
is now ready for the addition of an upgraded solar array after two NASA astronauts completed a nearly seven-hour spacewalk on Tuesday .secured brackets and erected struts at the base of one of the space station’s eight original power-providing arrays, preparing the area for the future installation of an ISS Roll-Out Solar Array .
Barron and Chari began the spacewalk at 8:12 a.m. EDT as they switched their extravehicular mobility unit spacesuits to internal battery power. The two exited the U.S. Quest airlock carrying the parts and tools they would need for the iROSA kit, prior to making their way to their worksite at the far right side of the orbiting complex.
The space station’s legacy solar arrays were designed with an on-orbit life of 15 years. Though all are still functioning, they have begun to show signs of degraded power production. The new iROSAs are installed such that they partially overlap the original arrays. When all six of the more capable iROSAs are installed, they will augment the station’s existing power generation, increasing the complex's total available power from 160 kilowatts to up to 215 kilowatts. The additional power is needed to continue operations through 2030, while also supportingIn addition to ensuring that the station has the power it needs, the addition of the iROSAs is also serving as a test for NASA'sGateway to be deployed in orbit around the moon.
NASA astronaut Kayla Barron is seen from the perspective of fellow astronaut Raja Chari's helmet cam during a spacewalk outside of the International Space Station on Tuesday, March 15, 2022.
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