Army paratroopers assigned to the 2nd Battalion, 503rd Infantry Regiment, 173rd Airborne Brigade provide security during Exercise Rock Knight at Pocek Range in Postonja, Slovenia, July 24, 2017. The 173rd Airborne Brigade is the U.S. Army's Contingency Response Force in Europe, providing rapid-deployment forces to U.S. Army Europe, Africa and Central Command areas of responsibility. Army photo by Paolo Bovo