U.S. Army paratrooper Pvt. Trevor Bullard, center,

U.S. Army paratrooper Pvt. Trevor Bullard, center, assigned to 1st Battalion, 503rd Infantry Regiment of the 173rd Airborne Brigade receives a Jump Master Pre-Inspection at the Nuremberg Airport, Germany, June 16, 2015, prior to conducting an airfield-seizure exercise in Swidin, Poland as part of multinational exercise Saber Strike 15. Saber Strike is a long standing U.S. Army Europe-led cooperative training exercise designed to improve joint operational capability in a range of missions as well as preparing the participating nations and units to support multinational contingency operations. This year's exercise takes place across Estonia, Latvia, Lithuania and Poland. (U.S. Army photo by Staff Sgt. Opal Vaughn)