U.S. Army Reserve Soldiers from the 493rd Engineer Detachment, 412th Theater Engineer Command, from Pascagoula, Miss., shore up a wall on a collapsed parking garage during Operation Guardian 15, near Perry, Ga., June 28. More than 500 Army Reserve Soldiers and an active Army unit are participating in the exercise to test their search and rescue, hazardous material, decontamination, and medical triage capabilities. (U.S. Army photo by Timothy L. Hale/Released)