In the first major shake-up of President Donald Trump’s administration during his second term, national security advisers ...

U.S. Secretary of Defense Pete Hegseth has accepted a friendly challenge to join cadets at the University of North Georgia ...

Defense Secretary Pete Hegseth directed the Army to undergo a “comprehensive transformation” as he is calling for the ...

A fourth round of discussion had been scheduled to take place in Rome on Saturday, but were postponed due to “logistical ...

Three sources tell NBC News that National Security Adviser Mike Waltz and Deputy National Security Advisor Alex Wong are ...

Three sources are confirming to NBC News that National Security Advisor Mike Waltz and Deputy National Security Advisor Alex ...

President Donald Trump's National Security Advisor Mike Waltz and other staffers are out at the National Security Council, ...

The national security advisor and his deputy are reportedly leaving their posts, after the former accidentally invited a ...

Negotiations between the US and Iran were due to enter a fourth round this weekend in Rome, but have now been postponed ...

Sources familiar with the situation said that National Security Advisor and former Florida congressman Mike Waltz will be stepping down. Here's why.

President Trump is reportedly dismissing National Security Advisor Michael Waltz after a security breach involving a ...

White House national security adviser Mike Waltz is leaving the administration just weeks after it was revealed he added a ...