Numerous details are secret but if a United States president were ever to order a nuclear strike, we know this: the order would be transmitted to the crew who would fire the missiles in a message 150 characters long - about the same as a tweet. "It is now far stronger and more powerful than ever before", he wrote on Twitter. He then added: "Hopefully we will never have to use this power, but there will never be a time that we are not the most powerful nation in the world!".
Starting on Wednesday night, the Republican president retweeted a series of Twitter posts related to his Democratic predecessor, starting with one by John Bolton, a former US ambassador to the United Nations and Fox News contributor, who said the United States is at risk because of Obama.
Steny Hoyer, the No. 2 Democrat in the U.S. House of Representatives, said Trump's threat to North Korea "is reckless and shows a serious lack of judgment".
Nagasaki Mayor Urges Nations: Abandon Nuclear Programs
I appeal to all governments to follow your example and intensify their efforts to achieve a world free of nuclear weapons. In a speech, Japanese Prime Minister Shinzo Abe expressed his commitment to "realizing a world without nuclear weapons".
That was the year the president, who at the time was just a businessman of course, appeared on NBC's Meet the Press and talked about what he'd do if he was commander-in-chief. Trump on Tuesday threatened "fire and fury" if North Korea made more threats to the U.S. And North Korea's military said it was examining plans for attacking Guam. More importantly, though, he said that in the event attempts to negotiate were unsuccessful, the USA would have to "do something" about North Korea, a clear allusion to pre-emptive military action. "Let's never forget that", Bolton said in the tweet that Trump retweeted.
Trump's morning statement came amid bipartisan concern over Trump's scaled-up rhetoric about North Korea, which came to a head Tuesday afternoon.
White House deputy adviser Sebastian Gorka dismissed Secretary of State Rex Tillerson's reassurances that "Americans should sleep well at night" in response to escalating tensions between the US and North Korea.