Christina Hammock Koch Nick Hague

U.S. astronauts Christina Hammock Koch, right, and Nick Hague, members of the main crew of the expedition to the International Space Station (ISS), wave prior the launch of Soyuz MS-12 space ship at the Russian leased Baikonur cosmodrome, Kazakhstan, Thursday, March 14, 2019. (AP Photo/Dmitri Lovetsky)

Source: AP