From left to right Geoffrey R. Pyatt, United States ambassador to Ukraine, Gen. Mark A. Milley, chief of staff of the Army, and Maj. Gen. William Gayler, deputy commander of U.S. Army Europe, encounter first-hand observation of Fearless Guardian program of instruction Oct. 29 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)