"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.

Former U.S. Secretary of Defense James Mattis wrote a statement titled “In Union There Is Strength” in which he condemned President Donald Trump’s actions regarding the 2025 immigration protests in ...

Retired Gen. James Mattis, former secretary of defense, greets members of a honor guard unit before a 2021 ceremony at the Washington State University Tri-Cities campus. You may have seen the posts on ...

(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 ...

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 ...

Retired Gen. James Mattis, former secretary of defense, greets members of a honor guard unit before a 2021 ceremony at the Washington State University Tri-Cities campus. Jennifer King Tri-City Herald ...