Washington Still Has No Engine to Replace Russian-Made RD-180

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Washington Still Has No Engine to Replace Russian-Made RD-180 // Military Space News, Nuclear Weapons, Missile Defense
http://www.spacedaily.com/reports/Washington_Still_Has_No_Engine_to_Replace_Russian_Made_RD_180_999.html

Moscow (Sputnik) May 17, 2017
US aerospace company Blue Origin suffered a setback while testing its Blue Engine 4 (BE-4), a staged-combustion rocket engine designed to replace Russian-made RD-180s, meaning that Washington still does not have an indigenously built version of a key piece of equipment needed to propel its Atlas V launch vehicles or its analogues into space. The private company, founded by Amazon.com CEO J
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