"Strengthening Russia as an independent international player does not give rest to our NATO colleagues," Russian Defense Minister Sergei Shoigu said.
The Army Futures Command is set to expedite the process in which soldiers get their hands on new weapons, including hypersonic missiles, lasers and robots.
As Trump expands relations with Taiwan, China is stepping up threats to reclaim the island by force.
As the Syrian military retakes the city where a nationwide rebellion was sparked, Israel prepares to enforce the land it seized in 1967.
Iran and Israel both want Russia's support, but how long can Moscow remain in the middle?
"No one is safe. It's 'Power.'"
The Syrian military and the Syrian Democratic Forces are both advancing rapidly against the last of ISIS. What happens when the jihadis are gone?
This is the first time Belarus has joined Russia and Serbia for their annual military drills, which will feature some of Moscow's new military equipment.
Bureaucracy, aging infrastructure and incompatible equipment are plaguing the U.S. and NATO's ability to reach parts of Europe eyed by Russia.
The J-20 fifth-generation heavy stealth fighter brings China into a class only occupied by the world's leading military powers: the U.S. and Russia.
A Chinese military report said "the U.S. armed forces have failed to live up to Trump's expectations" due to "scandals like ship collisions, drug abuses and rapes."
China's envoy suggested a trilateral meeting with India and Pakistan, but India appears to have shot down the idea.
Buyan-M-class missile corvette Vyshny Volochyok was officially made part of the Black Sea Fleet and is headed off for global military drills.
Russian President Vladimir Putin said that without "trust," Moscow and Washington may resort to "force," and "this might lead to tragedy."
"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.
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 says it has "the resolve, confidence and ability" to defend its territorial integrity by reuniting Taiwan with the mainland by force.
China is rapidly gaining on the U.S. lead in Asia, but its quick growth requires more energy. That's where Russia comes in.
China's envoy to Syria said he saw "huge space" to expand support for Russia and its role in Syria's seven-year civil war.