U.S. paratroopers, assigned to 4th Battalion, 319th Airborne Field Artillery Regiment, 173rd Airborne Brigade, drive a High Mobility Multipurpose Wheeled Vehicle at the battalion’s night live-fire exercise at the 7th Army Joint Multinational Training Command’s Grafenwoehr Training Area, Germany, Oct. 28, 2014. (U.S. Army photo by Visual Information Specialist Markus Rauchenberger/released)