A computer operator watches screens displaying live interior and exterior images of the mock village before him during a training exercise at the National Training Center at Fort Irwin, California, on February 20, 2013. #

U.S. soldiers from Fort Irwin take part as mock Afghan locals at a simulated Afghan Village on the National Training Center, on August 20, 2011. The soldiers were acting as street vendors while soldiers from the 1-14th Cavalry, 3-2 Stryker Brigade Combat Team, Fort Lewis, Washington, conducted a medical supplies drop-off and recruitment of Afghan police as training and preparation before deployment. #

A replicated rocket propelled grenade hangs from a zipline prior to Soldiers entering training lanes at the mock village of Ertebat Shar at the NTC Fort Irwin, California, on August 10, 2010. #

A simulated improvised explosive device (IED) explodes during a mass-trauma training exercise at Medina Wasl, a training village at the National Training Center on Fort Irwin. #

A role player attempts to convince Soldiers from the training unit to assist civilian victims of a simulated improvised explosive device during medical STX training at the National Training Center at Fort Irwin. #

U.S. Army soldiers provide first response medical treatment immediately following a simulated victim-operated IED explosion as a part of National Training Center rotation 11-10, at Fort Irwin, on September 18, 2011. #

The U.S. Army Corps of Engineers, Los Angeles district, sent a five person team of engineer professionals to Fort Irwin to assess damage after a resent monsoon storm hit the fort, on Aug 26, 2013. The mock village of Medina Jabal suffered extensive flood damage. #

The monsoon deluge toppled a structure of the training village Medina Jabal at the National Training Center, on September 2013. The interior of some structures in the training area were inundated with up to four feet of mud. #

Insurgency role players and trainers with the 11th Armored Cavalry Regiment meet to organize their strategy, on February 23, 2013, for a battle the next day with the 2nd Armored Brigade Combat Team, 1st Infantry Division, of Fort Riley, Kansas, at the National Training Center in Fort Irwin. #

An observer-controller (left) documents activities for an after-action report after medics from the 3rd Infantry Division's 2nd Battalion, 69th Armor Regiment, evacuate a casualty after a simulated improvised-explosive-device attack. #

U.S. Army Sgt. 1st Class Amando Ortiz, Company C, 413th Civil Affairs Battalion, from Dyess Air Force Base, Texas, patrols the city of Razish, during a scenario at National Training Center on Fort Irwin, on March 20, 2012. #

U.S. Air Force Tech. Sgt. Donald Urqhart, 5th Air Support Operations Squadron joint terminal attack controller from Fort Lewis, Washington, takes cover behind a boulder while observing a mock Afghanistan village during a training exercise, on August 14, 2011, at the National Training Center at Fort Irwin. #

California Army National Guard Soldiers with Alpha Company, 1st Battalion, 184th Infantry, move through a dry run of clearing a mock town, an experience intended to simulate what troops might see overseas, on May 19 at the National Training Center in Fort Irwin, California. #

Citizens of Razish, role-players used to provide the town population at the National Training Center, react to nearby explosions during a training exercise at Fort Irwin, California, on March 17, 2012. The explosions were used to simulate artillery and mortar rounds being fired at the city. #

An insurgent, depicted by a Canadian Army soldier, takes aim at an enemy position during the Decisive Action Rotation at Fort Irwin, on March 17, 2012. The DA Rotation incorporates a hybrid threat environment of guerrilla fighters, insurgents, criminal elements and conventional forces. #

Staff Sgt Amanda Morgan and Michael Thompson, both of the 1344th Transportation Company of the Illinois National Guard, participate in an urban warfare training exercise at Fort Irwin, California. Morgan and Thompson evaluated a casualty and prepared to evacuate the wounded Soldier to a safe location. #

A soldier from the 4th Special Troops Battalion, 4th Brigade, 1st Armored Division, carriers a civilian role-player during a situational training exercise at the National Training Center. #

Sgt. Michael Martinez, left, and Spc. Steven Septien, both of the 1st Battalion, 11th Armored Cavalry Regiment, scout positions during practice for insurgent role-playing at the National Training Center in Fort Irwin, on February 23, 2013. #

An Iraqi policeman role-player protects civilians from mock insurgent attacks, on January 20, 2009, at Medina Wasl, an urban training site at the Army's National Training Center. #

Combat medics and members of a convoy security detachment, 204th Brigade Support Battalion, 2nd Brigade Combat Team, 4th Infantry Division, rush a wounded soldier to a waiting medic vehicle for treatment during medical combat and triage training in a simulated Iraqi village at the National Training Center, on May 1, 2008. #