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 backs IMO move urging Iran to halt actions endangering Arabian Gulf waters
UAE calls for immediate, unconditional reopening of Strait of Hormuz
UAE reaffirms support for Bahrain’s sovereign measures to safeguard national security
H.H. Sheikh Mohammed hails first batch to secure government scholarships
