Soyuz-2.1a
The Soyuz-2.1a is a medium-lift launch vehicle and the modernized version of the classic Soyuz rocket, featuring digital flight control systems and an upgraded NK-33 engine on the third stage.
About
The Soyuz-2.1a is a medium-lift launch vehicle and the modernized version of the classic Soyuz rocket, featuring digital flight control systems and an upgraded NK-33 engine on the third stage.
Documentation
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