By John Blaxland*
Kim Jong-un has set North Korea on the path to establishing a nuclear-tipped intercontinental ballistic missile capability. We don’t know how much further the international community will push, and how the North Koreans will respond. But Kim Jong-un’s actions remind us that state-on-state conflict can still happen, and at short notice. What realistic options does Australia have in response? Key areas worth considering involve space, land and sea.