Ukrainian Col. Oleksander Sivak, co-director of the

Ukrainian Col. Oleksander Sivak, co-director of the multinational exercise Rapid Trident, gives a speech July 31, 2015, during a closing ceremony for Rapid Trident in Yavoriv, Ukraine. Rapid Trident is a long-standing U.S. Army Europe-led cooperative training exercise focused on peacekeeping and stability operations. More than 1,800 personnel from 18 different nations are participating in the exercise. (U.S. Army photo by Sgt. Alexander Skripnichuk, 13th Public Affairs Detachment)