Jim Mattis

Former Defense Secretary Jim Mattis said in a new book that the administration of then-President Barack Obama didn't respond to an "act of war" from Iran because it wanted to ...

In his first cabinet meeting of 2019, President Donald Trump expressed his dissatisfaction with the performance of U.S. ...

Secretary of Defense Jim Mattis and Secretary of Homeland Security Kirstjen Nielsen visited troops at the United States-Mexico ...

SINGAPORE—U.S. Defense Secretary Jim Mattis told his Chinese counterpart that the world's two largest economies need to deepen ...

SINGAPORE—U.S. Defense Secretary Jim Mattis plans to meet on Oct. 18 in Singapore with his Chinese counterpart amid ...

WASHINGTON—By making a rare second trip this year to Vietnam, Defense Secretary Jim Mattis is signaling how intensively ...

WASHINGTON—China has canceled a security meeting with U.S. Secretary of Defense Jim Mattis that had been planned for ...

KABUL—U.S. Defense Secretary Jim Mattis arrived in Kabul on Sept. 7 to meet the new commander of NATO ...

U.S. Defense Secretary Jim Mattis arrived in China on June 26 for a three-day visit, becoming the first ...

BEIJING—A formation of Chinese warships has been holding daily combat drills for more than a week in waters ...

The President of the United States has the authority to strike North Korea with a nuclear weapon without ...

Defense Secretary Gen. Jim Mattis said that the United States is not seeking war, but rather a complete ...