As often the case with articles about technology in mass media, some details are off. I'm not sure what was found to be the cause of the rocket failure with pr

As often the case with articles about technology in mass media, some details are off. I'm not sure what was found to be the cause of the rocket failure with previous Antares launch. What I am sure about is that NK-33 was never ever used in Soviet space program. And when it actually was used - two years ago - in Russian space program on Soyuz 2-1v rocket - it worked as intended.