MOSCOW, November 28. /TASS/. The approved preliminary design of a super-heavy class space rocket, which Russia plans to use for manned flights to the Moon, will be finalized during the technical design stage, the press service of Roscosmos corporation told the media.

On Thursday morning, Oleg Gorshkov, an adviser to the Roscosmos CEO, said that Russia’s crewed flights to the Moon were being postponed due to the lack of funds for creating a launch vehicle. Earlier, plans for sending Russian cosmonauts to the Moon between 2031 and 2040 were mentioned.

"The development of a super-heavy class rocket exposed a need for introducing innovative solutions, including new materials and engines. It was decided to finalize the previously approved preliminary project at the stage of technical design," the press service said in a news release.