The US Department of Defense (DoD) has approved millions of dollars of funding for private spaceflight companies to develop new US-manufactured rocket engines.
In a new funding document, the DoD outlined tranches of funding to Orbital ATK and SpaceX in order to help develop new liquid-fuel rocket motors. These motors are a national security priority in the eyes of the US due to fact that many existing systems make use of the Russian-made RD-180 motor. Deteriorating relations between…
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