U.S. Army paratroopers assigned to 1st Squadron, 91st

U.S. Army paratroopers assigned to 1st Squadron, 91st Cavalry Regiment, 173rd Airborne Brigade, engage targets during a live-fire exercise as part of Exercise Mountain Shock at Pocek Range in Slovenia Dec. 9, 2016. Exercise Mountain Shock is a emergency response deployment exercise with the Slovenian Armed Forces focused on the rapid deployment and assembly of forces and team cohesion with weapon systems tactics and procedures. Exercises such as this build a foundation of teamwork and readiness between allied NATO countries. The 173rd Airborne Brigade is the U.S. Army Contingency Response Force in Europe, capable of projecting ready forces anywhere in the U.S. European, Africa or Central Commands' areas of responsibility within 18 hours. (U.S. Army photo by Visual Information Specialist Paolo Bovo/Released)