The country's armed forces have rallied 8,000 troops for the drills across 19 training ranges, including two breakaway regions in neighboring Georgia.
Vote now, the contest ends soon.
Russian Foreign Minister Sergey Lavrov warned that Moscow "made it clear" the U.S. would not be allowed to attack the Syrian military.
Russia said the U.S. may risk "opening a Pandora's box" if it takes their military rivalry to outer space.
A Chinese researcher was awarded for her achievements in "electromagnetic launching technology."
Less than two weeks after Russian President Vladimir Putin showed off advanced weapons, his officials are warning the U.S. against action in Syria.
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.
Russia's new RS-28 Sarmat intercontinental ballistic missile is allegedly capable of wiping out Texas, but Putin's demonstration took aim elsewhere.
Putin asked Russians to name the country's prospective new weapons, but the internet had other plans.
Recorded phone calls suggest around 215 Russian mercenaries were killed by U.S. artillery and airstrikes in a battle in Syria on the night of February 7.
One leading Russian senator said, "It would be good if the Americans, along with us, took part in liberating eastern Ghouta from the terrorists."
Europe's southeastern sea was once dominated by the Soviet Union but now has three NATO allies and two NATO aspiring members on it.
The internet noticed....
Starting by targeting software in Ukraine, the ransomware NotPetya spread internationally, and the British government thinks the Russian military was behind it.
On February 14, 1950, the People's Republic of China and the Soviet Union signed the Sino-Soviet Treaty of Friendship, Alliance and Mutual Assistance.
ISIS leader Abu Bakr al-Baghdadi once laid claim to half of Iraq and Syria, but now only a small, mostly desert stretch known as Al-Jazeera, or "the Island," remains.
The anti-missile system is part of the capital's Cold War-era line of defense, which has 68 nuclear tipped rockets ready to blast incoming strikes from the sky.
The Russian military has carried out a series of drills near its border with North Korea as tensions have escalated, and Moscow has vowed to firm up defenses in case of war.
Roman Filippov will be made Hero of Russia after his deadly standoff with the rebels.
Russia said U.S. pilots should avoid traveling near Crimea—or expect Moscow's jets to fly close by.
Gavin Williamson warned that Russian ships pose a threat to millions of Britons.