Expedition 68 astronauts prepare to begin a spacewalk to install a roll-out solar array on the International Space Station's Starboard-4…
Astronaut Nicole Mann and Koichi Wakata are pictured at the robotics workstation that controls the Canadarm2 robotic arm.
Astronaut Frank Rubio is pictured during a spacewalk to install a roll-out solar array.
The International Space Station orbits above the southern Pacific Ocean.
Astronaut Josh Cassada is attached to the Canadarm2 robotic arm during a spacewalk to install a roll-out solar array.
Astronaut Josh Cassada holds a roll-out solar array as he rides the robotic arm during a spacewalk.
Astronaut Josh Cassada is tethered to the International Space Station during a spacewalk to install a roll-out solar array.
Astronaut Josh Cassada works inside the International Space Station's Quest airlock.
Astronaut Frank Rubio works inside the International Space Station's Quest airlock.
Astronaut Frank Rubio sets up hardware for the Pore Formation and Mobility Investigation.