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Senate alters sanctions to allow use of Russian rocket engines
Don't look now, but American spaceflight just dodged a bullet. Senators have passed an amendment to an Iran-Russia sanctions bill that, if gone unchecked, would have barred both NASA and private outfits from using Russian rocket engines. The original measure was supposed to prevent purchases from organizations that work with Russian defense and intelligence, but it would have effectively banned imports of the common RD-180 engine (found in ULA's Atlas 5) and RD-181 (used in Orbital ATK's Antares).
