Over 10,000 Chinese marines traveled across the country for battle exercises as they prepared for threats at home and abroad.
He said the subs got close to an American military base but nobody knew they were there.
Russian Foreign Minister Sergey Lavrov warned that Moscow "made it clear" the U.S. would not be allowed to attack the Syrian military.
Details remained unclear about the incident; an investigation will be launched.
Russia said the U.S. may risk "opening a Pandora's box" if it takes their military rivalry to outer space.
The Marines want the new drone to be fully operational by 2034.
"My new national strategy for space recognizes that space is a war-fighting domain, just like the land, air, and sea."
Less than two weeks after Russian President Vladimir Putin showed off advanced weapons, his officials are warning the U.S. against action in Syria.
Despite top U.S. defense officials urging Trump to stay in the Iran deal, Secretary of State Rex Tillerson was fired over his support for the agreement.
With fewer local allies, the U.S. may no longer be able to fight ISIS on the ground in Iraq or Syria.
When it comes to guns, the U.S. is always number one.
Once found only in works of fiction, Russia's deputy defense minister said such devices were now a very real and necessary tool of modern warfare.
Events that will have more of the Air Force flyovers this year include NFL, MLB and college sports games.
Groups the U.S. is considering labeling terrorist organizations have officially become part of the Iraqi military that Washington sponsors.
The heads of the Navy and Marine Corps are worried that China’s global outreach was detrimental to U.S. interests, but Beijing might just be ahead.
China’s foreign minister said that it was U.S. shows of force that were destabilizing the region, not Chinese island building.
“You don't want someone running out there kissing your wife or momma so treat them the same way,” an organizer said.
Mohammed Mahmoud Abu al-Maali, a Mauritanian expert on ISIS and Al-Qaeda in the region, told Newsweek the U.S. military had a destabilizing effect.
The coalition of Russia, Iran, Iraq and Syria was established to destroy ISIS, but it's also bolstered ties in a way that challenges the U.S.
“When it comes to families, I think it’s about giving them answers.”
A new ISIS video, entitled "Assault of the Brave Against the Army of the Americans," shows the last moments of four Green Berets killed in Niger last year.
The shifting dynamics of Syria's seven-year war have pitted the U.S. against NATO ally Turkey as well as Russia and Iran.
The Kurdish majority of the Pentagon-created Syrian Democratic Forces are leaving the U.S. battle against ISIS to fight a Turkish invasion.
Secret war games attended by top U.S. military brass reportedly showed up to 10,000 American troops would be injured within days of the conflict.
The individual, from Illinois, has signed a contract and passed both the physical and medical exams.