(CNN) — Here’s a look at the life of retired Marine General James Mattis, the former secretary of defense. Known for his blunt style of speech and extensive knowledge of military strategy. Also known ...

Former Defense Secretary Jim Mattis and bestselling author Ryan Holiday discuss the war in Iran. Former Defense Secretary Jim Mattis and bestselling author Ryan Holiday discuss the war in Iran, its ...

Breaking once more from presidential custom, Donald Trump is turning to a military man to steer the U.S. military, choosing retired Gen. James Mattis, who will be the first career officer to lead the ...

A former Army Special Forces officer is accusing retired Marine General James Mattis, President-elect Donald Trump's pick to be defense secretary, of "leaving my men to die" after they were hit by ...

The House on Friday passed the law change to allow retired Gen. James Mattis to serve as defense secretary, sending the change in law to the White House for signature. Border Patrol ‘will go anywhere’ ...