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 ...

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.

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.

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) ...

The last RD-180 engines under the current agreement are due to be delivered to ULA in 2019. An additional order, he said, would likely push out that final delivery date to 2020 or 2021, and ...

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