U.S. Army paratroopers, assigned to 4th Battalion, 319th Airborne Field Artillery Regiment, 173rd Airborne Brigade, conduct an airborne mission at the 7th Army Joint Multinational Training Command's Grafenwoehr Training Area, Germany, Feb. 25, 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 Markus Rauchenberger/released)