Soldiers treat a simulated patient during Vigilant Guard 2016, an emergency response exercise, at Camp Ethan Allen Training Site in Jericho, Vt., July 31, 2016. The soldiers are assigned to the Massachusetts National Guard. The National Guard and U.S. Northern Command sponsored the exercise, which provides an opportunity for service members to improve cooperation with civilian, military and federal partners as they prepare for emergencies and catastrophic events. Air National Guard photo by Airman 1st Class Jeffrey Tatro