https://en.wikipedia.org/wiki/Kyrylo_Budanov

In 2014, he took part in the war in Donbas, where he was wounded several times and reportedly participated in a number of classified special military operations.

According to The New York Times, Budanov was brought to the United States for treatment at the Walter Reed National Military Medical Center after being wounded in fighting in the Donbas.

Budanov was one of the members of the elite Unit 2245 of the Ukrainian Main Intelligence Directorate trained by CIA.