More On Ukraine

The U.S. Army is working to glean intelligence on Russian military technology from the conflict between pro-Russian...

The "Iron Horse" 1st Brigade Combat Team of the Army's 1st Cavalry Division will head to Eastern Europe in the fall to...

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

Ukrainian troops began moving against separatists in eastern Ukraine as NATO considered shoring up defenses in Europe.

The top U.S. commander in Europe said the DoD must reconsider the drawdown of forces following Russia's provocative actions.

Russia has been engaging in "hybrid war" by using its forces covertly to bolster Russian-speaking proxies, Breedlove said.

The U.S. has deployed 12 A-10 Warthog planes from an air base in Germany to Romania as part of a theater-security effort to...