US
Trump, in his speech, presented his record so far as 'very exciting and very productive'
North Korea is working to develop nuclear-tipped missiles that can reach the United States
On Saturday Trump will dispatch Vice President Mike Pence to the region to firm up resolve among allies
Tension has escalated sharply on Korean peninsula amid concerns that Pyongyang may soon conduct sixth nuclear test
Trump has asked repeatedly how many nuclear warheads and missiles Pyongyang has
US President Donald Trump assured Japan it has the full support of the United States