(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 ...

Stoic leadership has shaped commanders from Marcus Aurelius to Eisenhower and Nimitz, showing why calm judgment, ...

Jim Mattis is a worthy successor to the only previous general officer to serve as Secretary of Defense, General George C. Marshall. Mattis shares Marshall’s deep knowledge of history, his strategic ...

WASHINGTON — President Trump criticized former defense secretary Jim Mattis’ performance Wednesday, as acting Pentagon chief Patrick Shanahan stepped into his new job and the U.S. military sought to ...

Secretary of Defense James Mattis is, according to the vast majority of people who have met him or served under him in the Marines, a courageous, disciplined, and efficient leader. Mattis’s reputation ...

U.S. Secretary of Defense James N. Mattis speaks during the National POW/MIA Recognition Day Ceremony at the Pentagon in Washington, D.C., Sept. 21, 2018. The day is observed every year on the third ...

Defense Secretary Jim Mattis listens as President Donald Trump answers questions during a meeting with military leaders in the Cabinet Room on October 23, 2018. (Photo by Win McNamee/Getty Images) ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. WASHINGTON — In an extraordinary rebuke, ...

President-elect Donald Trump said Thursday he will nominate retired Gen. James Mattis to be his defense secretary, making the announcement at a post-election victory rally in Cincinnati. Mattis, 66, ...

Former Secretary of Defense James Mattis appeared in a newly released public service announcement on coronavirus urging people in his hometown to wear masks. At the start of the video, Mattis sports a ...