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So before the engines were obtained by Orbital, the NK-33 had never even been flight tested?
by marze 12y ago
So before the engines were obtained by Orbital, the NK-33 had never even been flight tested?
- avmich 12y agoBefore the engines flew for the first time, yes they never flew before. And Antares is the first rocket where those engines have flied - though not the only one rocket already.