Expedition 55 Flight Engineer Ricky Arnold during a press conference

Expedition 55 flight engineer Ricky Arnold answers a question during a press conference, Tuesday, March 20, 2018 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Arnold, Soyuz Commander Oleg Artemyev of Roscosmos, and flight engineer Drew Feustal of NASA are scheduled to launch to the International Space Station aboard the Soyuz MS-08 spacecraft on Wednesday, March 21.