The very experienced flight surgeon, Auñón-Chancellor was initially scheduled for a later space program.
As for NASA, after the retiring of the Space Shuttle, it launched zero manned missions from U.S soil and using USA technology.
The ISS, which is orbiting 400 kilometers above the Earth, is now manned by three astronauts, including two Americans and one Russian.
The new crew will launch in a Soyuz MS-09 spacecraft at 7:12 a.m. E.T. The three arriving astronauts will remain aboard until December.
The docking, as well as the entry of the astronauts into their new home, will also be live streamed on NASA TV, with the coverage for the former beginning at 8:15 a.m. EDT. They would be joining the existing crew of three on the station.
This crew continues the long-term increase in crew size on the United States segment from three to four, allowing NASA to maximise time dedicated to research on the space station.
Shkaplerov took a Telstar 18 ball to Earth, of which it will be used for the World Cup, to be launched next June 14th in 11 cities and 12 stadiums in this country. Gerst had previously worked at the space station for one hundred sixty-five days in the year 2014.