"The American effort is diplomatically led, it has diplomatic traction, it is gaining diplomatic results and I want to stay right there right now", Mattis said the event.
Mattis said the tragedy of war is well-known and "it doesn't need another characterization beyond the fact that it would be catastrophic".
Mattis did not comment directly on the President's remarks.More news: Mega Millions, Powerball jackpots soar over $350 million each
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Gorka said that the idea that the Secretary of State should "discuss military matters is simply nonsensical", and also appeared to suggest that the US was considering military options against North Korea. The country warned that the U.S.
"While our State Department is making every effort to resolve this global threat through diplomatic means, it must be noted that the combined allied militaries now possess the most precise, rehearsed and robust defensive and offensive capabilities on Earth", Mattis said.More news: Trump touts power of USA nuclear arsenal amid N
In fact, Mattis himself had also uttered strong words against the DPRK and reminded Pyongyang of the USA military strength before his latest remarks.
An armed conflict between the U.S. and Pyongyang would be a catastrophic event, U.S. Secretary of Defense James Mattis told reporters on Thursday evening.
"The best way to show how (the threat) is widely gauged, is to look at last weekend when the UN Security Council voted unanimously to characterize this as a North Korean threat to the world's community", he said.More news: Keith Ellison: I Regret Saying NKorea's Kim 'More Responsible' Than Trump
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