Russian jets have been caught near NATO skies twice recently.
Trump should tell Putin he reserves the right to respond militarily to any Assad act of civilian slaughter.
Russian helicopters blasted their targets not far from where the U.S. and NATO allies have just begun fortifying their air defenses.
Foreign fighters bribe Turkish officers to cross, for medical treatment and to collect funds.
Russia's upcoming nearby drill has been described as a "simulation" for an attack on its Baltic neighbors.
It took Trump less than 80 days to undo 25 years of post–Cold War relations between the West and Russia.
The drill used four different kinds of warplanes in a joint assault.
The U.S. Commerce Dept is about to to sever an important lifeline for Ukraine to the West
Moscow has sent 2,500 troops to its western border region to practice landing in unfamiliar territory.
A cyberattack, an assassination and a war without end. All fingers point to Putin
The 4,500-strong deployment and wider strategy is "fully operational," NATO's secretary general announced.
Russia dismissed jokes by U.K. Defense Secretary Michael Fallon and called the new HMS Queen Elizabeth "a large, convenient naval target."
Candidate Trump said he might ease the embargo without getting anything in return.
"Allies should invest more in defense not to please the United States but because it is in their own interest," NATO's Jens Stoltenberg said.
The U.S. and Russian militaries have found themselves increasingly at odds in the world.
A center of excellence on hybrid warfare should be sited in Ukraine.
Putin's Russia heads the list of likely suspects.