US President Donald Trump's new defence strategy calls for a more aggressive space-based missile defence system to protect against existing threats. The report names N Korea, which Trump tweeted in June 2108 no longer posed a nuclear threat.
US President Donald Trump accuses Russia of violating the 31-year-old nuclear weapons agreement which prohibits Washington and Moscow from possessing, producing or test-flying a ground-launched cruise missile with a range of 300 to 3,400 miles.