NASA develops two versions of J-2X engine for Ares boosters I and V

By 2006-10-09T11:00:00

Ares V EDSW445

NASA is developing two versions of its J-2X engine for the Constellation programme's Ares boosters I and V because of concerns the turbomachinery needed to provide the Ares V's Earth departure stage's thrust will not be ready in time for the Ares I 2012 flight test

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