Photos: NASA astronaut Christina Koch returns to Earth

Christina Koch Russian cosmonaut Alexander Skvortsov gestures as he sit in a chair shortly after the landing of the Russian Soyuz MS-13 space capsule about 150 km ( 80 miles) south-east of the Kazakh town of Zhezkazgan, Kazakhstan, Thursday, Feb. 6, 2020. A Soyuz space capsule with U.S. astronaut Christina Koch, Italian astronaut Luca Parmitano and Russian cosmonaut Alexander Skvortsov, returning from a mission to the International Space Station landed safely on Thursday on the steppes of Kazakhstan. (Sergei Ilnitsky/Pool Photo via AP) (Sergei Ilnitsky /AP)