U.S. paratroopers assigned to the the 2nd Battalion, 503rd Infantry Regiment, 173rd Airborne Brigade conduct an airborne operation from a U.S. Air Force 86th Air Wing C-130 Hercules aircraft at Rivolto Air Base, Italy, Oct. 28, 2015. The 173rd Airborne Brigade is the 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)