The fired national security adviser engaged in intense coordination with Israeli Prime Minister Benjamin Netanyahu about military options against Iran ahead of an Oval Office meeting between the Israeli leader and Trump,

While Secretary of State Marco Rubio will fill in temporarily as national security adviser, President Trump is likely to follow his own often quixotic instincts.

President Donald Trump said Thursday that he would nominate outgoing national security adviser Mike Waltz to be the U.S. ambassador to the United Nations. Waltz, a former congressman from Florida, has been on shaky ground with Trump since March after he inadvertently added a journalist to a private chat on the messaging app Signal with other top national security officials to discuss military strikes in Yemen.

P resident Donald Trump is replacing his National Security Adviser, Mike Waltz, and nominating him to be Ambassador to the United Nations, he announced Thursday, marking the first major personnel shake-up of Trump’s second term.

President Donald Trump says he is nominating national security adviser Mike Waltz as United Nations ambassador while Secretary of State Marco Rubio would take over Waltz’s duties on an interim role.

Call it foreshadowing. President Donald Trump left Mike Waltz stranded on the tarmac after Air Force One headed for Michigan on Tuesday, just two days before he was fired as national security adviser.