RD Amross
RD Amross is a United States-based joint venture associated with the Russian RD-180 liquid-fueled rocket engine and its supply to the Atlas V launch vehicle program.
Last updated August 31, 2026
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Overview
RD Amross, also styled RD AMROSS, is a limited liability company established as a joint venture between Pratt & Whitney, based in West Palm Beach, Florida, and NPO Energomash, based in Khimki, Russia. The venture was created around the commercialization, supply, licensing, and support of the RD-180 liquid-propellant rocket engine for the United States launch market. RD Amross is headquartered in Jupiter, Florida. The venture's central product is the RD-180, a two-chamber liquid oxygen and kerosene engine manufactured by NPO Energomash. The engine was developed from the RD-170 engine family and was selected to power the Atlas V launch vehicle, produced and operated by United Launch Alliance. In the RD Amross arrangement, Energomash provides engine design, manufacturing, testing, and related liquid-propulsion services, while Pratt & Whitney holds a license to produce the RD-180 in the United States. The arrangement therefore combined Russian propulsion manufacturing expertise with an American commercial and government-program interface. The first RD-180 produced by NPO Energomash was delivered to Lockheed Martin Astronautics in Denver in December 2000. Lockheed Martin completed engine testing in December 2001, and the engine met the performance requirements established for government and commercial missions. Atlas V made its first launch with an RD-180 in 2002, establishing the engine as a core component of the United States' Evolved Expendable Launch Vehicle architecture. Energomash committed to supplying 101 RD-180 engines under a fixed-price arrangement reported at one billion dollars. The engine subsequently became important to U.S. national-security launch planning as well as commercial and civil missions. Although the joint venture included a plan for domestic U.S. production, the planned start of American manufacturing in 2008 did not occur. A 2005 Government Accountability Office assessment reported that Pratt & Whitney had planned to begin building the engine in the United States, with an intended first military launch using domestically produced engines by 2012; that objective also was not achieved. In 2014, the U.S. Department of Defense estimated that establishing domestic RD-180 production would require approximately five years and one billion dollars. RD Amross became the focus of legal and policy controversy in 2014 after Russia's actions in Ukraine led to U.S. sanctions and renewed scrutiny of American dependence on Russian-made launch engines. SpaceX sought an injunction against continued importation of the RD-180, arguing that the imports conflicted with the sanctions environment. A federal appeals court temporarily granted the injunction, but lifted it on May 8, 2014, allowing imports to resume. The episode highlighted the venture's strategic importance and the vulnerabilities associated with relying on an overseas supplier for a major launch-vehicle engine. The available reference material does not establish a current corporate operating status, a current executive roster, a public website, or a later product portfolio. RD Amross is best characterized as a specialized aerospace propulsion venture rather than a broad consumer-facing brand.
History
RD Amross is a limited liability joint venture between Pratt & Whitney and NPO Energomash. Its business was organized around bringing the RD-180 liquid-propellant rocket engine into the United States launch market and supporting its use on the Atlas V launch vehicle. Pratt & Whitney is identified with the United States side of the arrangement, while NPO Energomash, located in Khimki, Russia, is responsible for manufacturing the engine and providing associated engineering, testing, and propulsion services. The RD-180 is a liquid oxygen and kerosene engine derived from the RD-170 family. Under the venture's structure, Pratt & Whitney received a license to manufacture the engine in the United States. The planned domestic-production element was significant because the Atlas V served government as well as commercial missions, and reliable access to its propulsion system was therefore a national launch-program concern. However, the intended transition to U.S. manufacturing did not take place on the original schedule. NPO Energomash delivered the first RD-180 to Lockheed Martin Astronautics in December 2000. Lockheed Martin completed testing in December 2001, with the engine meeting the performance requirements for government and commercial missions. Atlas V first flew with the RD-180 in 2002. This launch made the engine a defining component of Atlas V and linked RD Amross to the broader Evolved Expendable Launch Vehicle program. The supply relationship included a commitment by Energomash to deliver 101 engines under a fixed-price arrangement reported at one billion dollars. In 2005, a Government Accountability Office assessment stated that Pratt & Whitney planned to begin producing the engine in the United States in 2008 and expected a first military launch using a domestically built engine by 2012. Neither milestone was achieved. In 2014, the Department of Defense estimated that domestic production would require roughly five years and approximately one billion dollars, illustrating the technical, financial, and schedule barriers to rapidly duplicating the Russian manufacturing capability. The venture's strategic profile became more prominent in 2014 following U.S. sanctions against Russia related to the conflict in Ukraine. SpaceX filed a legal complaint seeking an injunction against continued importation of Russian-made RD-180 engines. The federal appeals court granted an injunction at first, but lifted it on May 8, 2014, so imports could resume. The dispute connected RD Amross to debates over launch-service competition, sanctions compliance, national-security access to space, and the risks of foreign dependence in critical aerospace supply chains. The supplied reference material does not provide a confirmed founding year, a current executive list, a public corporate website, or a definitive account of the venture's status after the 2014 dispute. Its documented historical identity is that of a focused propulsion partnership whose principal commercial and strategic asset was the RD-180 engine used by Atlas V.
- 2014
Importation dispute and domestic-production reassessment
[1]SpaceX challenged RD-180 imports during the sanctions-related dispute involving Russia, while the Department of Defense assessed the time and cost required to establish domestic production.
- 2012
Planned first domestic military launch missed
[1]The planned first military launch using a U.S.-produced RD-180 was not achieved.
- 2008
Planned U.S. production start missed
[1]The planned start of domestic RD-180 production did not occur.
- 2005
Domestic-production plans documented
[1]A Government Accountability Office assessment described plans for Pratt & Whitney to begin U.S. RD-180 production in 2008 and conduct a first military launch with a domestically produced engine by 2012.
- 2002
Atlas V maiden launch with the RD-180
[1]Atlas V made its first launch using the RD-180 as its main-thrust engine.
- 2001
Engine testing completed
[1]Lockheed Martin completed testing of the RD-180 in December 2001, and the engine met the performance requirements for government and commercial missions.
- 2000
First RD-180 delivered to Lockheed Martin
[1]NPO Energomash delivered the first RD-180 engine to Lockheed Martin Astronautics in Denver in December 2000.
Products and positioning
A specialized aerospace propulsion joint venture linking NPO Energomash's Russian liquid-engine manufacturing and engineering capabilities with Pratt & Whitney's United States-based commercial and government-program role.
Liquid-propellant rocket engine · 2002
RD-180
The RD-180 is a liquid oxygen and kerosene rocket engine manufactured by NPO Energomash for RD Amross. It supplies the principal thrust for the Atlas V launch vehicle and was qualified for government and commercial missions after testing by Lockheed Martin. Its use on Atlas V made it the venture's defining product and connected RD Amross to the United States launch market.
Aerospace engineering services
Liquid-propulsion engineering and support services
RD Amross's documented business scope includes design, manufacturing, testing, and other services for liquid-propulsion rocket engines. The reference material specifically attributes these capabilities to NPO Energomash within the joint-venture relationship rather than identifying a separate branded service range.
Brand decisions
2014
Reassessment of domestic engine manufacturingStrategyBackground
After the planned domestic-production milestones were missed and geopolitical tensions increased, the U.S. Department of Defense assessed the feasibility of replacing imported RD-180 supply with American manufacturing.
Action taken
The Department of Defense estimated that approximately five years and one billion dollars would be needed to begin domestic production.
Aftermath
The assessment demonstrated that replacing the Russian manufacturing base would be a substantial long-term undertaking rather than an immediate supply-chain change.
Estimated cost to begin domestic RD-180 production. approximately $1 billion (2014 estimate)
2014
Defense of continued RD-180 importsOtherBackground
U.S. sanctions against Russia related to its policies and actions in Ukraine created uncertainty around the continued importation of Russian-made rocket engines.
Action taken
SpaceX sought an injunction to stop continued imports. A federal appeals court initially granted the injunction and then lifted it on May 8, 2014.
Aftermath
Imports were again permitted, allowing the RD-180 supply arrangement to continue at that point.
- SpaceX — SpaceX filed the complaint seeking to enjoin continued importation of the Russian-made engine.
2008
Planned transition to U.S. RD-180 productionStrategyBackground
The joint venture included a license for Pratt & Whitney to manufacture the RD-180 in the United States. A domestic production start was planned for 2008.
Action taken
Pratt & Whitney was expected to establish U.S. production under the licensing arrangement, but the planned start did not occur.
Aftermath
The RD-180 continued to be manufactured by NPO Energomash, leaving the U.S. launch program dependent on imported engines.
Recent events
- 2014
SpaceX challenges imports of Russian-made RD-180 engines[1]
Lawsuit · Regulation
SpaceX filed a complaint seeking to stop continued importation of the Russian-manufactured RD-180 engine, citing the United States sanctions environment related to Russia's policies and actions in Ukraine. A federal appeals court initially granted an injunction, but lifted it on May 8, 2014, permitting imports to continue.
- 2014
U.S. assessment of domestic RD-180 production costs[1]
Regulation
The U.S. Department of Defense estimated that approximately five years and one billion dollars would be required to establish domestic production of the RD-180 engine, underscoring the difficulty of replacing the Russian supply chain quickly.
Sources1 sources
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