"We are obviously following the principle of reciprocity and equality. Space militarization and the subsequent promotion of our US partners to dominant roles may jeopardize the already fragile relations of the countries in this sphere," Sergey Savelyev said, as quoted in a Roscosmos statement.
The Roscosmos official noted that Russia remains ready to strengthen its comprehensive space partnership with the US, so that it is not limited to RD-180 rocket engines supplies and US astronauts delivery to the International Space Station.
Late on Wednesday, the Pentagon unveiled the new Defenсe Space Strategy, meant to ensure US military superiority in space amid alleged threat from Russia and China.