Astronauts finish installing first solar arrays outside International Space Station
June 21, 2021 12:44 ISTNASA astronaut Shane Kimbrough and ESA (European Space Agency) astronaut Thomas Pesquet in their eighth spacewalk of the year outside the ISS deployed the new ISS Roll-Out Solar Array (iROSA) on the far end of the left (port) side of the station's backbone truss structure (P6).