NASA astronaut Christina Koch and Roscosmos cosmonaut Oleg Skripochka

iss061e054290 (Nov. 22, 2019) --- NASA astronaut Christina Koch and Roscosmos cosmonaut Oleg Skripochka are pictured in the equipment lock portion of the Quest joint airlock. The duo assisted astronauts Andrew Morgan and Luca Parmitano into their U.S. spacesuits and into the crew lock before the spacewalkers began the second spacewalk to repair the Alpha Magnetic Spectrometer's thermal control system.