President Trump Standing by Fiery Comments Towards North Korea

Now to the latest war of words with North Korea. President Trump standing by his comments promising to unleash "fire and fury" on the rogue nation - saying, "maybe those words weren't tough enough. ABC's Erielle Reshef has more.

U.S. B-1 bombers taking off from Guam on a training mission amid increased tensions as President Trump doubles down - and defends his tough talk on North Korea

"It's about time that somebody stuck up for the people of this country and for the people of other countries. So, if anything, maybe that statement wasn't tough enough."

Speaking Thursday at his Bedminster golf club, the president- defiant in the face of concern over his comments promising "fire and fury" in response to threats North Korean regime.

Question: "what would be tougher than fire and fury?"

"Well, you'll see. You'll see."

But Defense Secretary James Mattis striking a calmer tone.

"The American effort is diplomatically led, it has diplomatic traction it is gaining diplomatic results."

North Korea answering the president's rhetoric vowing to quote: "Mercilessly wipe out provocateurs" -- and threatening to fire four missiles into the ocean near the US territory of Guam.

"Let's see what he does with Guam. If he does something with Guam, it will be an event the likes of which nobody has seen before, what will happen to North Korea."

Despite the high drama in recent days - little has changed on the ground.

"At this point there has been no change in the threat level, either in a military base in Guam or in our civilian community."

The US military not operating at an elevated security level. And experts telling ABC News, North Korea does not appear to be preparing any new missile launches.