Secretary of Defense James Mattis told senators, in written testimony following his January confirmation hearing, that climate change was a national security issue that also required a “whole-of ...

James Mattis is ripping into his former boss Donald Trump. On Wednesday, the former Defense Secretary issued a lengthy statement addressing the president's failure to unite the country amid civil ...

Chinas military build-up in the South China Sea and its deployment of high-end weapons systems in the disputed waterway is designed to intimidate and coerce neighbours, US Defense Secretary Jim Mattis ...

(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 ...

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 ...