A U.S. Army Reserve Soldier from the 493rd Engineer Detachment, 412th Theater Engineer Command, from Pascagoula, Miss., rappels down a training tower to recover a simulated victim during Operation Guardian 15, June 25, near Ocala, Fla. 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 Brian Godette/Released)