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Yuzhnoye SDO completed first engine test for 3rd stage engine of CYCLONE-4
- app4soft 7y agoThis was first ever engine test completed by Yuzhnoye SDO since Ukraine declares its independency on August 24, 1991.[0] [0] https://twitter.com/YuzhnoyeSDO/status/1165156911496531968 https://twitter.com/YuzhnoyeSDO/status/1165156911496531968