“In response to the American steps to complete the creation of new medium-range missile systems and the expected flight tests of similar systems in the US in the fall, we launched our own research and development projects on systems that we expect created in a relatively short time, "- Interfax leads the words Ryabkova.

Ryabkov said earlier that Moscow is already implementing retaliatory measures in connection with US plans to deploy medium-range and shorter-range ground-based missiles.

Vladimir Yermakov, head of the Foreign Ministry’s non-proliferation and arms control department, said Russia was ready to discuss ways to stabilize the situation with the United States through the measures of mutual transparency with the United States.