This was reported by RIA Novosti with reference to the single portal of Glavkosmos.

It is noted that the prototype of the engines was produced in Ukraine for 30 years.

It is also reported that the development of the RD-182 engine has been underway since 2019.

On October 19, the Progress Rocket and Space Center began designing the Russian Amur-LNG rocket with a reversible first stage using liquefied natural gas (LNG).