U.S. Army Spc. Kevin Smith, with the 108th Chemical

U.S. Army Spc. Kevin Smith, with the 108th Chemical Company from North Charleston, S.C. Army National Guard, rinses a vehicle in the vehicle decontamination process during an Ardent Sentry exercise held in Ridgeland, S.C., May 19, 2013. A simulated contaminated convoy is decontaminated by the 108th Decontamination Platoon before being allowed entry to the point of distribution to pick up food and water supplies needed for civilians after a natural disaster. The S.C. National Guard is participating in a major NORAD and USNORTHCOM sponsored training exercise called Ardent Sentry, May 17-21, 2013. It involves a scenario of a hurricane striking the South Carolina coast requiring more than 1,500 members of the S.C. National Guard to practice disaster response activities and coordination procedures. (U.S. Air National Guard photo by Tech. Sgt. Caycee Watson/Released)