Defense Secretary James Mattis ResignsDefense Secretary James Mattis will leave the Trump Administration at the end of February, he informed President Trump in a letter Thursday. The defense secretary said he is stepping down because of the differences in viewpoints with Mr. Trump.
Mattis: North Korea Missiles 'Threaten Everywhere'Defense Secretary Jim Mattis says a missile that North Korea launched early Wednesday local time flew higher than its previous projectiles.
Mattis On Sharing With FBI: Must 'Find Out What's Going On'Defense Secretary Jim Mattis says he has directed the Pentagon's watchdog to examine the circumstances of the Air Force's failure to report the Texas church shooter's domestic violence conviction to the FBI.
Former Defense Secretary Criticizes "Controlling Nature" Of Obama AdministrationFormer CIA Director Robert Gates is releasing a new memoir in he which sharply criticizes the "controlling nature" of President Obama’s national security team.