An analyst says Russia'a withdrawal of its aircraft carrier from the waters off Syria is certainly a great move that shows Moscow is capable of complying with agreements.

The US military has completed the face-lift of a NATO army base in Estonia.

The UK plans to deploy hundreds of soldiers to the Baltic region to protect its allies against Russia, Defense Secretary Michael Fallon says.

A US Navy commander says Russian surveillance ships are shadowing American and NATO vessels in the Baltic Sea where they are staging a drill.

Russia expresses serious concern over NATO's biggest ever military exercises in Poland.

The US and NATO’s extended war games near Russia’s borders is a very dangerous provocation, say an analyst.

Washington’s concerns over “a resurgent Russia and a very, very aggressive China" indicate that the US is losing more ground in areas where Beijing and Moscow exert an influence, an analyst says.

US Defense Secretary Ashton Carter vowed that NATO will defend its allies against Russia, which he said is “nuclear saber-rattling.”

Russia defends its interception of a US spy plane in the Baltic Sea, saying it was flying near the Russian border.

Russians have intercepted yet another US spy plane near their territorial waters.