The Trump administration’s blueprint for America’s arsenal continues the Obama administration’s plans to rebuild all nuclear submarines, aircraft and missiles, but also calls for deploying new capabilities. Critics say the plan will spark a new arms race.

Tensions between North Korea and the US have escalated during Donald Trump’s presidency, with threatening tweets and talk about the size of each country’s nuclear “button.” But what would happen if North Korea actually decided to follow through on its threat and launch a nuke?

The apocalypse is now as close as it has ever been, according to the Bulletin of the Atomic Scientists’ Doomsday Clock, which on Thursday ticked 30 seconds closer to midnight ― the symbolic end of humanity.

The Doomsday Clock has been moved one step closer to midnight over fears that a nuclear war could erupt at any moment.