Russia's testing of an "invincible" nuclear-powered cruise missile with a potentially "unlimited range" has been met with a less-than impressed response from U.S. President Donald Trump as a new cold front opens up between the countries.

Russia announced Sunday that it had successfully tested a new nuclear-powered cruise missile, the 9M730 Burevestnik (or 'Storm Petrel'), on Tuesday last week.

It boasted that the missile, which can carry conventional or nuclear warheads, and code-named 'Skyfall' by NATO , can change direction mid-flight and move vertically and horizontally, meaning it can evade missile and air defense systems.

President Trump, who's undertaking a whirlwind tour of Asia and is also set to meet Chinese President Xi Jinping on Thursday , was not impressed with the mi

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