Astronaut Christina Koch says goodbye to her husband Robert from quarantine ahead of her March 2019 launch for the ISS.

Expedition 59 astronaut Christina Koch of NASA, in quarantine, places her hands up against the glass as her husband Robert does the same prior her departing building 254 for the launch pad with Alexey Ovchinin of Roscosmos and Nick Hague of NASA, Thursday, March 14, 2019 at the Baikonur Cosmodrome in Kazakhstan. Hague, Koch, and Ovchinin launched March 14, U.S. time, on the Soyuz MS-12 spacecraft from the Baikonur Cosmodrome for a six-and-a-half month mission on the International Space Station. Photo Credit: (NASA/Victor Zelentsov)