Lt. Gen. Pavlo Tkachuk, Ukrainian National Army Academy commander, greets and welcomes Gen. Mark A. Milley, chief of staff of the Army, Oct. 29 during his visit to the International Peacekeeping and Security Center near Yavoriv, Ukraine. Paratroopers from the 173rd Airborne Brigade are in Ukraine to train Ukraine’s newly-formed national guard as part of Fearless Guardian, which is schedule to last through November. (U.S. Army photo by Staff Sgt. Adriana Diaz-Brown, 10th Press Camp Headquarters)