The vacuum chamber testing of the Progress MS 31.

The vacuum chamber testing of the Progress MS 31, a new Russian cargo spaceship, has been successfully completed, confirming the air tightness of its modules and onboard systems.

This critical step simulates the space environment and ensures that the spacecraft can withstand the vacuum of space. The Progress MS 31 is scheduled to be launched on a Soyuz-2.1a rocket in July 2025, as part of the ongoing mission to resupply the International Space Station (ISS) with essential goods and materials. This test is a significant milestone in the spacecraft's preparation for its future space missions and reflects the continuous efforts by the Russian space agency, Roscosmos, to maintain and enhance its space transportation capabilities.

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