U.S. soldiers assigned to the 12th Combat Aviation Brigade depart in five UH-60 Black Hawk helicopters and two CH-47 Chinook helicopters for a combined arms live fire exercise during a mission rehearsal exercise (MRE) at the Grafenwoehr Training Area, Germany, March 28, 2014. The MRE was conducted at the 7th Army Joint Multinational Training Command’s Grafenwoehr and Hohenfels Training Areas in order to prepare the 12th Combat Aviation Brigade to deploy to Afghanistan to provide medical evacuation and combat support to the NATO International Security Assistance Force mission. (U.S. Army photo by Spc. Justin De Hoyos/Released)