Emirati astronaut Hazza Al Mansoori will undergo a mock mission on Friday, ahead of the historic eight-day space expedition in September.
It's a mandatory two-day exam for astronauts and cosmonauts at the Gagarin Cosmonaut Training Centre in the Star City, near Moscow.
Mansouri will be joined by back-up astronaut Sultan Al Neyadi, and his crewmates - Nasa astronaut Jessica Meir and Russian commander Oleg Skripochka.

The Soyuz MS-15 spacecraft is set to blast off to the International Space Station (ISS) on September 25 from the Baikonur Cosmodrome in Kazakhstan.

UAE bans citizens from travel to Iran, Lebanon and Iraq
UAE charges 13 people, 6 firms in Port Sudan arms trafficking case
H.H. Sheikh Mohammed honours winners of Erth Dubai Awards
UAE, French foreign ministers review regional developments
UAE petrol prices to go up in May
UAE plans nationwide events for International Workers' Day
UAE's supply chain system maintains efficiency: UAE minister
UAE reaffirms support for Gaza peace plan at UN debate
