Ukrainian troops got a crash course in modern guerrilla warfare from the Central Intelligence Agency following Russia’s 2014 invasion of Crimea — training that US officials believe is helping Ukraine ...

John Kiriakou is a former CIA officer specializing in counterterrorism.

The CIA is overseeing a secret intensive training program in the U.S. for elite Ukrainian special operations forces and other intelligence personnel, according to five former intelligence and national ...

Add Yahoo as a preferred source to see more of our stories on Google. Ukrainians such as these civilians shown taking part in resistance training in early February in Kyiv have been bracing for a ...

A Russian vehicle was destroyed and a Russian soldier killed by Ukrainian forces near Sytnyaky, Ukraine, on March 3. (Marcus Yam/Los Angeles Times) Ukrainian snipers had a problem: Russian forces in ...