In the clip, the retired four-star general and former secretary of defense, appeared to channel a Marine-version of Mr. Rogers rather than the “Mad Dog Mattis” that once famously advised his ...

President-elect Donald Trump has selected retired Gen. James “Mad Dog” Mattis for the Secretary of Defense. Mattis is considered a Marine legend who has also drawn some controversy over his ...

U.S. President-elect Donald Trump announced he would nominate retired Gen. James Mattis to be his defense secretary, introducing him on stage at an event in North Carolina. Photo: Associated Press ...

Mattis demonstrates that he is willing to extend ... While one of his nicknames is "Mad Dog," many other Marines know him as the "Warrior Monk" — a general who reads and studies constantly ...

He's been called "Mad Dog" Mattis (a nickname he detests), "Warrior Monk" (because he's such an intellectual), and is beloved and respected by fellow Marines. Mattis also has some of the best ...

We were the generation that started calling him "Mad Dog.'" The first story retired Sgt. Maj. Carlton Kent recalled was of a time when he and then-Lt. Gen. Mattis were walking with a Marine squad ...

General Jim "Mad Dog" Mattis, one of the most beloved generals of the Marine Corps, made a truly inspiring speech at the Marine Corps University Foundation's 2014 Semper Fidelis Award Dinner.

As a co-author of the military's counter-insurgency manual (with David Petraeus), Mattis has often spoke about following the rules of engagement and being disciplined among a ruthless enemy.