A closer look at his claim, however, proves that is simply not the case.
Trump tweeted Wednesday: "My first order as President was to renovate and modernize our nuclear arsenal. It is now far stronger and more powerful than ever before...." 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!"
A week after taking office, Trump issued a presidential memorandum on "rebuilding the U.S. Armed Forces".
France is urging all sides "to act responsibly and to de-escalate" tensions over North Korea's nuclear ambitions.
In addition to the rally at the White House, groups also demonstrated outside of Trump Tower in New York City.
Of course, Colbert also had words for Trump, who set the worldwide community on edge when he threatened that Kim and his regime "will be met with fire and fury like the world has never seen" if they don't back down.
But the president's tweets on Wednesday got numerous details wrong. But if the Chinese government believes the risk of war is real, it may be more likely to enforce crippling sanctions.
President Donald Trump speaks about North Korea at a meeting with administration officials.
CODEPINK founder Medea Benjamin detailed one potential diplomatic option-which would include freezing joint U.S. When his team insisted he re-certify Iran's compliance with the multi-nation nuclear deal, Trump balked and took the disagreement public.
"Today President Trump's reckless behavior and impulsive outburst undermined the security of the American people, and that of our friends and allies", Engel said on Tuesday.
Such reviews are commonplace actions that all recent presidents have ordered upon entering office - and are legislatively mandated.
He says this was his "first order" as president.
"An aging nuclear force...has forced the need for a modernization program", the Defense Science Board declared last December after former President Barack Obama gained rare bipartisan support for one of his initiatives. "Defense Secretary James Mattis struck this tone on Wednesday".
The total number of warheads is second only to Russian Federation, which now has 7,000. The biggest upgrades are not scheduled to take place until after 2024, at which point, the next president could choose to abandon the project altogether. For starters, as mentioned, a full upgrade would not be finished until around 2047, if the CBO's estimates hold, and the next administration does nothing to change those plans.
More importantly, asking for a Nuclear Posture Review is not unusual; it's expected.
Modernizing America's aging nuclear arsenal is a long and expensive undertaking that is projected to take decades. But given the restrictions under the New START treaty that went into force in 2011, it would be "pretty hard, if not impossible, to achieve except in a crash, well-publicized effort".
Even with those promises, there is a $3.7 billion backlog in deferred essential repairs to USA nuclear weapons infrastructure, which is overseen by the National Nuclear Security Administration, an arm of the Department of Energy.