Rolls-Royce, in a strategic partnership with British hypersonic-power experts Reaction Engines is supporting new investment in the company.

This new partnership will help them developing high-speed propulsion systems for defense and civil applications and help them explore the key thermal management technology of Reaction Engines as a vital part of Rolls-Royce's gas turbine engines and hybrid-electric systems.

Rolls-Royce is planning to invest £20 million ($26 million) over the next two years, and build an initial equity investment made in 2018. Other investors, including BAE Systems, Boeing Horizon-X, and financial institutions may follow the trend.

This announcement came into light as Rolls-Royce plans to invest in supersonic flight.

Synergetic Air-Breathing Rocket Engine, SABRE, a propulsion system that can operate in air-breathing and rocket modes using the pre-cooler technology.