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

(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 ...

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 ...

"During Jim’s tenure, tremendous progress has been made," Trump said. President Donald Trump announced via Twitter on Thursday that Defense Secretary James Mattis will retire at the end of February.

President Donald Trump’s former Department of Homeland Security chief of staff admitted that Trump’s people were already preparing plans of action for nuclear war in Trump’s first term. And that was ...

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 ...

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) ...