In his final public remarks as national security adviser, Lt. Gen. H.R. McMaster said the U.S. and other nations had failed to be tough enough against Russia's "pernicious" aggression that ...

President Donald Trump and National Security Adviser Gen. H.R. McMaster mutually agreed that the three-star general and Iraq war veteran will leave the Trump administration, the White House ...

Lt. Gen. HR McMaster joined The Situation Room to discuss the escalating conflict between Israel and Iran and the driving ...

Donald Trump’s former national security adviser H.R. McMaster on Monday said he would not work for the former president again. The retired lieutenant general, who worked in the Trump ...

The Trump administration said “Operation Midnight Hammer” severely damaged or destroyed Iran’s Fordo, Isfahan and Natanz ...

Lieutenant General H.R. McMaster, special advisor to veteran-owned investment bank Mischler Financial, joins 'Squawk on the Street' to discuss what happens next in the conflict between Israel and Iran ...

President Donald Trump shakes hands with Army Lt. Gen. H.R. McMaster at Trump's Mar-a-Lago estate in Palm Beach, Fla., Feb. 20, 2017, where he announced that McMaster will be the new national ...

White House national security adviser Lt. Gen. H.R. McMaster could leave his position in the White House by the end of the month, according to an administration official.

Until now, Lt. Gen. H.R. McMaster has held his fire about his stint in the Trump White House. McMaster served with distinction in key American conflicts of the past decades: the Gulf War, the Iraq ...

Lt. Gen. H.R. McMaster had been a soldier for three decades when Donald Trump named him his national security adviser just one month into his administration. "Lots of people told me not to do it ...

In a memoir of his time in the Trump Administration, Lt. Gen. H.R. McMaster recalls telling his wife he could not understand Russian President Vladimir Putin’s “hold” on President Trump.

Former President Donald Trump’s second national security adviser, Lt. Gen. H.R. McMaster, would not serve in a second Trump administration, though he’s open to the possibility of advising from ...