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Sergei Treshchov

Sergei Treshchov

  • Status: Retired
  • In Space: No
  • Date of Birth: 08/18/1958
  • First Flight: 06/05/2002
  • Last Flight: 06/05/2002


Sergei Treshchov, a Russian astronaut affiliated with the government agency Russian Federal Space Agency (ROSCOSMOS), embarked on 1 space flights and engaging in 1 spacewalks during his/her career as an astronaut.

Sergei Yevgenyevich Treshchov (Сергей Евгеньевич Трещёв, born 18 August 1958) is a former cosmonaut of the RSC Energia. He spent 184 days in space as a flight engineer of the International Space Station long duration Expedition 5 crew. During the mission Treshchov also conducted a spacewalk.
In 1992, he enrolled in the RSC Energia cosmonaut detachment, and from 1992 to 1994 he completed the basic Cosmonaut training course. Treshchov spent the next 3 years (1994 to 1996) in advanced Test Cosmonaut training.
From June 1997 to February 1998, Treshchov trained as a flight engineer for the Mir station backup Exp-25 crew. From June 1999 to July 2000 he trained as a flight engineer for the Soyuz-TM backup ISS contingency crew. Initially, he trained as backup to the ISS Expedition 3 crew.

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