Kim Jong-un will probably defy Donald Trump and soon try to land missiles in waters near the US Pacific island of Guam to show off strength and test the US President's resolve, according to one of the world's top North Korean analysts.

Ahead of a trip this week to Australia to speak to government officials about the North Korean nuclear crisis, former senior US Central Intelligence Agency officer for Korea, Bruce Klinger, said President Trump could hasten or delay war in attempting to shoot down any missile around the US military island.

USSC research fellow Brendan Thomas-Noone is quoted in this article in the Australian Financial Review.