U.S. Army Sgt. Justin Scott, 11th Civil Support Team,

U.S. Army Sgt. Justin Scott, 11th Civil Support Team, Maine National Guard, prepares to enter a bunker during Vigilant Guard 2016 at Camp Johnson, 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 catastophic events. (U.S. Air National Guard photo by Tech. Sgt. Chelsea Clark)