National Security Advisor

National security adviser John Bolton talked to reporters outside the White House. The hawkish former U.N. ambassador is stepping down.

Trump Fires John Bolton In Final Break After Months Of Internal Policy Division

Philip Ewing

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The national security adviser caught the president's attention for his aggressive stance as a Fox News commentator but strayed from favor after pushing too hard against Trump's wishes.

President Trump (right) shakes hands with Army Lt. Gen. H.R. McMaster at Trump's Mar-a-Lago estate in Palm Beach, Fla., on Monday. Trump called McMaster "a man of tremendous talent and tremendous experience" as he announced that he would replace Michael Flynn as national security adviser.

Politics / Issues

Trump Names Lt. Gen. H.R. McMaster New National Security Adviser

Tom Bowman

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The Silver Star recipient is a three-star Army general known as a military intellectual. The president called him "a man of tremendous talent and tremendous experience."

U.S. Secretary of Defense Chuck Hagel (left) walks with Vice Adm. Robert Harward (center), the deputy commander of U.S. Central Command, and Col. Kelly Martin, the vice commander of 6th Air Mobility Wing, after landing at MacDill Air Force Base in Tampa, Fla., in 2013.

Politics / Issues

Robert Harward Turns Down Job As National Security Adviser

Ted Robbins

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Harward was offered the job to replace Michael Flynn, who was fired Monday by Trump. But Harward said no, reportedly because the job was too demanding to bring him out of retirement.

National security adviser Michael Flynn has resigned amid allegations he misled then-Vice President-elect Pence about the extent of a conversation he had with the Russian ambassador.

Politics / Issues

Michael Flynn Resigns As Trump's National Security Adviser

Domenico Montanaro

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This comes after days of speculation about whether he misled the vice president-elect about talks with the Russian ambassador. Flynn allegedly discussed U.S. sanctions before Trump was inaugurated.