More On James Mattis

Mattis' trip comes as the United States is mulling giving Ukraine lethal weapons after Russia's annexation of Crimea.

Retired Marine Gen. James Mattis said it would be a mistake to rule out the use of U.S. ground combat forces against ISIL.

Mattis said he would deter Russian aggression and back the policy opening of all military occupational specialties to women.

Mattis will face the threat of the imminent launch of a North Korean ICBM on the first leg of his Far East trip to South...

The US communicates with Russia on operations over Syria despite Moscow's suspension of the "deconfliction channel," Mattis...

Retired Gen. Jack Keane said that 4,000 U.S. troops are not enough to defeat the Taliban and boost the Afghan Army's strength...

President Donald Trump convened his top advisors at Camp David Friday on a new strategy for Afghanistan but made no decisions...

Rep. Duncan Hunter is hoping that the fourth time's the charm for fallen Marine Sgt. Rafael Peralta.

Defense Secretary Jim Mattis now has authority to send more troops to Iraq and Syria on his own.

The opening round of a war with North Korea would devastate Seoul and be unstoppable.