U.S. Army Sgt. Jhustin Welch and Sgt. Justin Scott,

U.S. Army Sgt. Jhustin Welch and Sgt. Justin Scott, assigned to the 11th Civil Support Team, Maine Army National Guard, scan a bunker with an Ortec and a Joint Chemical Agent Detector for hazardous materials and radiation during Vigilant Guard 2016 at Camp Johnson, Colchester, Vt., July 27, 2016. Vigilant Guard is a national level emergency response exercise, sponsored by the National Guard and NORTHCOM, which provides National Guard units an opportunity to improve cooperation and relationships with regional civilian, military, and federal partners in preparation for emergencies and catastrophic events.(U.S.Air National Guard photo by Airman 1st Class Jeffrey Tatro)