More On Russia

The passage of the destroyer USS Truxtun into the Black Sea was seen as a challenge to the Russian fleet.

The U.S. said Moscow must stop backing pro-Russian militants in eastern Ukraine or face tougher economic sanctions.

Defense Department funds bought supplies including concertina wire for Ukraine's border guards.

Obama's nomination to be the Pentagon's No. 2, echoed the testimony last week by Gen. Dunford in naming Russia as the main...

The U.S. Air Force this month plans to deploy another squadron of A-10 Thunderbolt II attack aircraft to Europe in support of...

Russia claims its warplanes have flown 18 sorties, hitting targets in Aleppo and Hama.

U.S. military officials have proposed sending more troops to Europe to deter the threat of aggression by Russia.

A Russian jet sped closely by a U.S. Air Force spy plane "in an unsafe and unprofessional manner" over the Black Sea on...

There is more evidence that Russian forces are not pulling out of Syria, but instead, more troops are arriving there, a new...

The downing of a Russian airliner in Egypt last year was blamed by the CIA on the ISIS affiliate in Sinai.