31 MARCH: MOSCOW, RUSSIA – NASA astronaut Jack David Fischer (right) shakes hands with Russian cosmonaut Fyodor Yurchikhin during an examination training session at the Gagarin Cosmonauts’ Training Centre in Star City. The crew are scheduled to blast off to the International Space Station (ISS) by Soyuz MS-04 spacecraft on 20 April.

Photo credit should read ANDREY SHELEPIN/AFP/Getty Images