Bernie Linen, an excavator operator with Linen landscaping, knocks down old sections of Choppee Regional Resource Center, Georgetown, S.C., March 8, 2015 in preparation for search and rescue exercises during Vigilant Guard 2015. The training scenario includes trapped casualties that need rescuing and structures that need additional bracing a support. Vigilant Guard is a series of federally funded disaster-response drills conducted by National Guard units working with federal, state and local emergency management agencies and first responders. (U.S. Army National Guard Photo by Sgt. Brad Mincey

- Image ID: KD34M6
Bernie Linen, an excavator operator with Linen landscaping, knocks down old sections of Choppee Regional Resource Center, Georgetown, S.C., March 8, 2015 in preparation for search and rescue exercises during Vigilant Guard 2015. The training scenario includes trapped casualties that need rescuing and structures that need additional bracing a support. Vigilant Guard is a series of federally funded disaster-response drills conducted by National Guard units working with federal, state and local emergency management agencies and first responders. (U.S. Army National Guard Photo by Sgt. Brad Mincey
Military PCF / Alamy Stock Photo
Image ID: KD34M6
Bernie Linen, an excavator operator with Linen landscaping, knocks down old sections of Choppee Regional Resource Center, Georgetown, S.C., March 8, 2015 in preparation for search and rescue exercises during Vigilant Guard 2015. The training scenario includes trapped casualties that need rescuing and structures that need additional bracing a support. Vigilant Guard is a series of federally funded disaster-response drills conducted by National Guard units working with federal, state and local emergency management agencies and first responders. (U.S. Army National Guard Photo by Sgt. Brad Mincey/Released)