Russian, European Organizations to Collaborate on Reusable Engine

Seven Russian and European companies have signed a memorandum of intent to develop a powerful reusable rocket engine propelled by methane and liquid oxygen. The program for developing the Volga engine, which is to have a service life of at least 50 flights, is envisioned in three phases: preliminary research and design, testing on a mock-up and final testing on a complete engine. The project