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NEW YORK - JULY 29: Iraq war veteran Pam O'Donnell (C) who served in the Marines in Anbar province during the height of combat in 2004, sprays down a horse during a Seaside Therapeutic Riding session at the Jamaica Bay Riding Academy July 29, 2008 in the Brooklyn borough of New York City. According to O'Donnell, riding a horse "helps you release the anxiety you get from being in a war zone". The program brings US veterans suffering from Post-Traumatic Stress Disorder out to ride and care for horses as a means of treatment for their PTSD. (Photo by Chris Hondros/Getty Images)

NEW YORK - JULY 29: Iraq war veteran Pam O'Donnell (C) who served in the Marines in Anbar province during the height of combat in 2004, sprays down a horse during a Seaside Therapeutic Riding session at the Jamaica Bay Riding Academy July 29, 2008 in the Brooklyn borough of New York City. According to O'Donnell, riding a horse "helps you release the anxiety you get from being in a war zone". The program brings US veterans suffering from Post-Traumatic Stress Disorder out to ride and care for horses as a means of treatment for their PTSD. (Photo by Chris Hondros/Getty Images)
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NEW YORK - JULY 29: Vietnam war veteran Mike McDougald, who suffers from PTSD, smiles while cleaning a horse during a Seaside Therapeutic Riding session at a riding academy July 29, 2008 in the Brooklyn borough of New York City. McDougald had never been on a horse before being referred to the program by an area Veterans Administration hospital. The program brings US veterans suffering from Post-Traumatic Stress Disorder out to ride and care for horses as a means of treatment for their PTSD. (Photo by Chris Hondros/Getty Images)

NEW YORK - JULY 29: Vietnam war veteran Mike McDougald, who suffers from PTSD, smiles while cleaning a horse during a Seaside Therapeutic Riding session at a riding academy July 29, 2008 in the Brooklyn borough of New York City. McDougald had never been on a horse before being referred to the program by an area Veterans Administration hospital. The program brings US veterans suffering from Post-Traumatic Stress Disorder out to ride and care for horses as a means of treatment for their PTSD. (Photo by Chris Hondros/Getty Images)
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NEW YORK - JULY 29: Sgt. Owen Powell of the 152nd Military Police platoon from Fort Hamilton in Brooklyn leads out a horse for Seaside Therapeutic Riding July 29, 2008 in the Brooklyn borough of New York City. The program, partially administered by US soldiers who have been trained with horses, brings US veterans suffering from Post-Traumatic Stress Disorder out to ride and care for horses as a means of treatment for their PTSD. (Photo by Chris Hondros/Getty Images)

NEW YORK - JULY 29: Sgt. Owen Powell of the 152nd Military Police platoon from Fort Hamilton in Brooklyn leads out a horse for Seaside Therapeutic Riding July 29, 2008 in the Brooklyn borough of New York City. The program, partially administered by US soldiers who have been trained with horses, brings US veterans suffering from Post-Traumatic Stress Disorder out to ride and care for horses as a means of treatment for their PTSD. (Photo by Chris Hondros/Getty Images)
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NEW YORK - JULY 29: Veterans and Army soldiers from 152nd Military Police Platoon out of Fort Hamilton in Brooklyn prepare a horse for mounting during a Seaside Therapeutic Riding session at the Jamaica Bay Riding Academy July 29, 2008 in the Brooklyn borough of New York City. The active-duty soldiers come to riding academy frequently to help administer the program for veterans suffering from Post-Traumatic Stress Disorder, giving them horses to ride and care for as a means of treatment for their PTSD. (Photo by Chris Hondros/Getty Images)

NEW YORK - JULY 29: Veterans and Army soldiers from 152nd Military Police Platoon out of Fort Hamilton in Brooklyn prepare a horse for mounting during a Seaside Therapeutic Riding session at the Jamaica Bay Riding Academy July 29, 2008 in the Brooklyn borough of New York City. The active-duty soldiers come to riding academy frequently to help administer the program for veterans suffering from Post-Traumatic Stress Disorder, giving them horses to ride and care for as a means of treatment for their PTSD. (Photo by Chris Hondros/Getty Images)
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BENAVIDES, TEXAS - MAY 27: Jesus Bocanegra, 24, walks in uniform to a Memorial Day weekend service May 27, 2006 in Benavides, Texas. Bocanegra has been diagnosed with Post-Traumatic Stress Disorder, or PTSD, a result of his service in Iraq in 2003-04. Despite his current ambivalence to the Iraq conflict, ?The Ten Commandments says 'Thou shall not kill', and it doesn?t add 'except for war'," he says now, he still dons his uniform to participate in veterans activities in his home state. Bocanegra is on several anti-depression drugs and struggles to recover from the mental strain of a year at war. (Photo by Chris Hondros/Getty Images)

BENAVIDES, TEXAS - MAY 27: Jesus Bocanegra, 24, walks in uniform to a Memorial Day weekend service May 27, 2006 in Benavides, Texas. Bocanegra has been diagnosed with Post-Traumatic Stress Disorder, or PTSD, a result of his service in Iraq in 2003-04. Despite his current ambivalence to the Iraq conflict, ?The Ten Commandments says 'Thou shall not kill', and it doesn?t add 'except for war'," he says now, he still dons his uniform to participate in veterans activities in his home state. Bocanegra is on several anti-depression drugs and struggles to recover from the mental strain of a year at war. (Photo by Chris Hondros/Getty Images)
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