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COVINGTON, La. – Pfc. Stephen Buck and Pvt. Brad Stone of the 1021st Vertical Engineer Company, 225th Engineer Brigade, Louisiana Army National Guard, load water during a Commodities Distribution Exercise (CDX) held at the St. Tammany Parish Fairgrounds in Covington, La., May 19, 2012. This CDX, along with a sister CDX in Lafayette Parish, was conducted to test and validate Point of Distribution (POD) operations, communication systems, transportation resupply and interagency reporting procedures across multiple POD locations. (U.S. Army photo by Sgt. 1st Class Paul Meeker, 241st Mobile Public Affairs Detachment, Louisiana Army National Guard/RELEASED.)