Five NASA astronauts have been assigned to upcoming spaceflights. Joe Acaba, Ricky Arnold, Nick Hague, Serena Auñón-Chancellor and Shannon Walker all have begun training for missions launching later this year and throughout 2018. Acaba will be the first to launch, assigned to the Expedition 53 and 54 crews that already include Mark Vande Hei of NASA, and Alexander Misurkin of the Russian space agency Roscosmos. They will launch aboard...
On Aug. 24, 2016, Station Commander Jeff Williams passed astronaut Scott Kelly, also a former station commander, for most cumulative days living and working in space by a NASA astronaut (520 days and counting). Williams is scheduled to land on Sept. 6, for a record total of 534 days in space.
