VIGILANT GUARD Army Sgt. 1st Class Kevin Buckner cuts away part of a pile of rubble to extract a mock victim during a natural disaster training scenario as part of Vigilant Guard 2013, a disaster-response drill, in Northglenn, Colo., July 24, 2013. National Guard units conduct the drills with federal, state and local emergency management agencies and first responders. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 786123-G-NAC61-891.jpg Photo Gallery