ESA astronaut Alexander Gerst, NASA astronaut Serena Auñón-Chancellor and Roscosmos cosmonaut Sergei Prokopyev will welcome new arrivals to the International Space Station on 3 December: Canadian Space Agency astronaut David Saint-Jacques, NASA astronaut Anne McClain and Roscosmos cosmonaut Oleg Kononenko will arrive at the orbital outpost as part of Expeditions 58/59, increasing the population of humans in space to six.