HH-60M medical evacuation helicopters from the 4th Combat Aviation Brigade conduct aerial evacuations at the Muscatatuck Urban Training Center during exercise Vibrant Response 14, July 24, 2014. During the exercise, Joint Task Force Civil Support anticipated, planned and prepared for chemical, biological, radiological, nuclear defense support to civil authorities response operations. (Department of Defense photo by U.S. Navy Petty Officer 1st Class Brian Dietrick/Released)