Senior Lt. Tim Chenko, a soldier with the Ukranian

Senior Lt. Tim Chenko, a soldier with the Ukranian national guard, trains soldiers on how to properly conduct tactical combat casualty care Oct. 5, 2015, during first-aid training at the International Peacekeeping and Security Center near Yavoriv, Ukraine. Paratroopers from the U.S. Army’s 173rd Airborne Brigade are in Ukraine for the third rotation to train Ukraine’s newly formed national guard as part of Fearless Guardian. (U.S. Army photo by Staff Sgt. Adriana Diaz-Brown, 10th Press Camp Headquarters)