Expedition 55 Flight Engineer Ricky Arnold during a press conference

Expedition 55 flight engineer Ricky Arnold is seen in quarantine, behind glass, during a press conference, Tuesday, March 20, 2018 a the Cosmonaut Hotel in Baikonur, Kazakhstan. Arnold and his fellow Expedition 55 crew members 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.