This report explores how the United States came to depend on the Russian RD-180 rocket engine as part of the Evolved Expendable Launch Vehicle (EELV) program, realistic options for the engine’s ...

The RD-180 is built by NPO Energomash of Russia and sold to Denver-based ULA by RD-Amross, a joint venture between Energomash and United Technologies Corp. of Hartford, Connecticut.

WASHINGTON — The race to replace the Russian RD-180 rocket engine is steadily moving forward as companies plug away on developing and testing new engines and launch systems.

With the replacement of the RD-180 all but inevitable, the head of a Russian space agency downplayed concerns about losing the engine’s biggest buyer: the Lockheed Martin and Boeing joint ...

Michael Griffin, the deputy chair of an RD-180 Availability Risk Mitigation Study, said the Senate's action is "too abrupt," and does not allow the Pentagon to wean itself off of the Russian engine.

NASA engineers test a Russian-built RD-180 rocket engine on Nov. 4, 1998, at the Marshall Space Flight Center's Advanced Engine Test Facility (NASA via U.S. Defense Department) ...

United Launch Alliance, whose workhorse Atlas 5 rocket is powered by the RD-180, cited the ban among its reasons for not bidding last month on a contract to launch a GPS-3 satellite for the U.S ...

United Launch Alliance (ULA) is set to launch Amazon's second group of satellites for its Kuiper internet satellite ...