When developing hypersonic weapons, Russia is based on technologies stolen from the US, US President Donald Trump’s security advisor said in an interview with Voice of America.

Commenting on the incident near Russia’s Severodvinsk, where an explosion of a jet engine took place on August 8, he said that Russia is developing a means of delivering nuclear weapons, the BBC reported.

According to him, although the size of the Russian economy is approximately comparable to the Netherlands, it still spends so much money on defense that it can not only modernize its nuclear arsenal but also create new delivery vehicles, guided warhead missiles, hypersonic cruise missile using technology stolen from the US.