The cycle of pneumovacuum tests of large-sized space equipment using a helium-air environment is carried out for objective control of strict requirements for the tightness of compartments and onboard systems of the ship in ground conditions
MOSCOW, March 17. /TASS/. The Soyuz MS-18 manned spacecraft has been tested in a vacuum chamber. This was reported on Wednesday in the press service of the Rocket and Space Corporation (RSC) "Energy" (part of Roscosmos).
"At the Baikonur cosmodrome, the pre-flight training of the Soyuz MS-18 manned transport vehicle (TPC) continues. Today, in accordance with the work schedule, the specialists of RSC Energia and KC Yuzhny completed the ship's leakproofness tests in the vacuum chamber of the assembly and test building of site 254, "the message reads.
They explained that the cycle of pneumovacuum tests of large-sized space equipment using helium-air medium in the checked volumes is carried out for objective control of strict requirements for the tightness of the compartments and onboard systems of the ship in ground conditions.
The first manned launch in 2021 is scheduled for April 9. On the Soyuz MS-18 spacecraft, Roscosmos cosmonauts Oleg Novitsky and Pyotr Dubrov, as well as NASA astronaut Mark Vande Hai, will go to the ISS.
