"China's continued militarization of disputed features in the South China Sea only serve to raise tensions and destabilize the region," the Pentagon said.
The Iranian military's chief of staff said America "is a disloyal, atrocious, criminal, isolated, angry enemy with disloyal, corrupt leaders."
Only the U.S., Russia and some European Union countries have such advanced stealth capabilities.
North Korea warned that "dialogue and saber rattling can never go together" as President Donald Trump receives South Korean President Moon Jae-in.
Iran's Foreign Ministry said "No one can force Iran to do anything" and it would stay in Syria as long as it was welcome.
North Korea is growing increasingly wary of the U.S.'s intentions ahead of a historic meeting between Kim Jong Un and Donald Trump.
Russian warships and submarines don't only target ISIS and other Syrian insurgents, but also provide a cover against NATO's southern flank in Europe.
China is rapidly gaining on the U.S. lead in Asia, but its quick growth requires more energy. That's where Russia comes in.
The father of one soldier said, "The whole thing was a screwed-up mess."
A suicide bomber killed up to 15 in the Somali town of Wanlaweyn, located near the Baledogle Airfield.
The Philippine leadership was wary of U.S. military activity on its territory.
In order for Russia to extend its influence in Syria to Lebanon, it will have to mediate a greater conflict between Iran and Israel.
A New York Times report claims U.S. Green Berets are covertly destroying Houthi rebel missile sites in Yemen on behalf of Saudi Arabia.
The Naval Strike Missile is a top candidate for the Navy's littoral combat ships, which critics have said may not stand up to Russian and Chinese power.
The longest-serving commander in the longest war in U.S. history said he would welcome Moscow's help.
This is the second time Trump has publicly said he wants to develop a U.S. space force.
The U.S. Forces Korea hold regular military drills with the South Korean army.
Insurgents such as the Taliban and ISIS exert more control or influence than ever previously recorded by a Congress-mandated watchdog.
"The one who must leave is the U.S., not the Islamic Republic. We are from this region: the Persian Gulf is our home; West Asia is our home," Khamenei said.
Syrian military positions in southern Hama were reportedly attacked as international tensions mounted.
China confirmed it would be hosting another series of joint exercises with Russia as the two lead U.S. military rivals boost their Pacific cooperation.