RD AMROSS is a supplier of NPO Energomash RD180 rocket engines to United Launch Alliance (ULA) for the Atlas Launch Vechicle. The RD-180 provides the main thrust on the Atlas V launch vehicle made by the United Launch Alliance.
RD AMROSS, a limited liability company, is a U.S. joint venture between Pratt & Whitney Rocketdyne of West Palm Beach, Florida and NPO Energomash of Khimki, Russia. The company is based in Cocoa, Florida. NPO Energomash manufactures the RD-180 rocket engine for RD AMROSS, and provides designing, manufacturing, testing and other services for liquid propulsion rocket engines.