The next Expedition 42 trio waiting to join the International Space Station crew conducted final Sokol launch and entry suit fit checks at the Baikonur Cosmodrome in Kazakhstan. NASA astronaut Terry Virts, Roscosmos cosmonaut Anton Shkaplerov and European Space Agency astronaut Samantha Cristoforetti are making final preparations before Sunday’s launch at 4:01 p.m. EST to the space station aboard the Soyuz TMA-15M spacecraft.