U.S. Army Reserve Soldiers from the 493rd Engineer Detachment, 412th Theater Engineer Command, from Pascagoula, Miss., work to breach and enter a confined space in order to recover simulated victims from a collapsed building during Operation Guardian 15, June 29, near Perry, Ga. More than 500 Army Reserve Soldiers and an active Army unit are participating in the exercise to test their search and rescue, hazardous materials, decontamination, and medical triage capabilities. (U.S. Army photo by Timothy L. Hale/Released)