On the Baikonur cosmodrome, the tightness of the piloted ship “Union MS-21” was completed in the vacuum chamber of the installation and test case No. 254. Specialists of the Rocket and Space Corporation “Energia” named after S. P. Korolev and South Center “South” ( It is included in Roscosmos) performed the cycle of pneumatic testers of the ship, which lasts from February 11, 2022.
Automated control of high requirements for the tightness of the compartments and side systems of the ship in the ground conditions passed without comments. Today, February 17, the Soyuz MS-21 ship was transported to the workplace for further pre-flight training. In the coming days, it is planned to carry out refueling of the ship thermostat system, checking the fuel highways of the combined motor installation and control testing of on-board radio engineering systems, as well as preparations for the installation of Kazbek seats and individual crew equipment.
Start of the Soyuz-2.1A carrier missile with the piloted ship “Soyuz MS-21” under the program of delivery of participants 66 / 67th of the main expedition to the international space station is scheduled for March 2022.