Astronaut Loral O’Hara conducts a spacewalk

iss070e015526 (Nov. 1, 2023) --- NASA astronaut and Expedition 70 Flight Engineer Loral O'Hara is pictured (center left) tethered to the International Space Station's port truss structure during a spacewalk to replace one of the 12 trundle bearing assemblies on the port solar alpha rotary joint, which allows the arrays to track the Sun and generate electricity to power the station. Behind O'Hara is the SpaceX Dragon Endurance spacecraft that delivered four SpaceX Crew-7 crew members to the orbital lab on Aug. 23, 2023.