Gen. David H. Petraeus, commander of NATO and International Security Assistance Force troops in Afghanistan, visits the 1-16th Infantry 2nd Battalion at Qalat Mangwal, Afghanistan, during a battlefield circulation, May 8. ISAF, in support of the Government of the Islamic Republic of Afghanistan, conducts operations in Afghanistan to reduce the capability and will of the insurgency, support the growth in capacity and capability of the Afghan National Security Forces, and facilitate improvements in governance and socio-economic development, in order to provide a secure environment for sustainable stability that is observable to the population. (Photo by U.S. Navy Chief Petty Officer Joshua Treadwell)

Gen. David H. Petraeus, commander of NATO and International Security Assistance Force troops in Afghanistan, visits the 1-16th Infantry 2nd Battalion at Qalat Mangwal, Afghanistan, during a battlefield circulation, May 8. ISAF, in support of the Government of the Islamic Republic of Afghanistan, conducts operations in Afghanistan to reduce the capability and will of the insurgency, support the growth in capacity and capability of the Afghan National Security Forces, and facilitate improvements in governance and socio-economic development, in order to provide a secure environment for sustainable stability that is observable to the population. (Photo by U.S. Navy Chief Petty Officer Joshua Treadwell)

Gen. David H. Petraeus, commander of NATO and International Security Assistance Force troops in Afghanistan, visits the 1-16th Infantry 2nd Battalion at Qalat Mangwal, Afghanistan, during a battlefield circulation, May 8. ISAF, in support of the Government of the Islamic Republic of Afghanistan, conducts operations in Afghanistan to reduce the capability and will of the insurgency, support the growth in capacity and capability of the Afghan National Security Forces, and facilitate improvements in governance and socio-economic development, in order to provide a secure environment for sustainable stability that is observable to the population. (Photo by U.S. Navy Chief Petty Officer Joshua Treadwell)

A young Afghan girl takes care of her sister at a Qalat nursery greenhouse, Zabul province, Afghanistan, May 8.

PATROL BASE SHARK, Helmand province, Islamic Republic of Afghanistan - A small girl gazes at the Marines with 3rd Battalion, 4th Marine Regiment, during a recent patrol. The father holding the child greeted every Marine that passed by his home and allowed one Marine to hold the young infant for a brief moment.

PATROL BASE SHARK, Helmand province, Islamic Republic of Afghanistan - A small girl looks back after receiving a candy bar from a Marine outside the base. The Marines give these small gifts to help gain the trust of young children, who are the future of Afghanistan. The children have become much more receptive to Marines after a decade in the country.

PATROL BASE SHARK, Helmand province, Islamic Republic of Afghanistan - A local boy walks through a poppy field toward a Marine in a small village nearby. Children frequently come out to greet the Marines and Afghan National Army soldiers attached to the unit. The Marine later took his right glove off and extended his hand toward the boy to greet him. The boy timidly covered his smiling face and returned the gesture by slowly reaching for the Marine

PATROL BASE SHARK, Helmand province, Islamic Republic of Afghanistan - Local children smile into the camera in their village nearby. Their faces lit up with laughter every time they saw a photo of themselves.

110317-F-WU507-034: A young Afghan girl stands near a photo of President Hamid Karzai, Islamic Republic of Afghanistan president, and helps usher guests at the Sufiabad School inauguration March 17, 2011. Sufiabad School in Herat City will educate about 1,500 students between age 7-18 in subjects like: Dari, math, history, geography, religion, English, Arabic, physics and physical education. (U.S. Air Force photo/Tech. Sgt. Kevin Wallace/RELEASED)

Young Afghan children of the Nawbot village look watch in bewilderment as U.S. Army soldiers conduct a routine patrol of their village.

Afghan children bundled against the cold play in the streets of Konduz city, Kunduz province Jan. 15. (U.S. Army photo by Sgt. Katryn McCalment)

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110326-F-WU507-024: An orphan stands near a swing-set at Herat City Orphanage March 26, 2011. The orphanage houses 105 boys between the ages of four and 16. They live in ragged condition with carpet-less concrete floors, broken dining tables and discoloured walls. (U.S. Air Force photo/Tech. Sgt. Kevin Wallace/RELEASED)

An Afghan Boy plays as Afghan National Security Forces search a home during a joint patrol with 3-187th Infantry Regiment, 101st Airborne in a village in the Andar District, Afghanistan, Jan. 06, 2011. The 3-187th also known as the Iron Rakkasans are partnering with Afghan National Security Forces to bring stability to the Andar District in Eastern Afghanistan. (ISAF photo by U.S. Air Force Staff Sgt. Joseph Swafford/released)

110317-F-WU507-107: Afghan children gather in Herat City during their school opening March 17, 2011. Islamic Republic of Afghanistan President Hamid Karzai selected Herat as a transition city and Herat

FORWARD OPERATING BASE BULLARD, Afghanistan -- A young Afghan girl listens to a story from a Romanian soldier during a shura near Forward Operating Base Bullard, Shah Joy District, Zabul Province, Sept. 5, 2010. Shah Joy District Chief Abdul Qayum spoke with local elders about the upcoming provincial parliamentary elections. (U.S. Air Force photo/Senior Airman Nathanael Callon/Released)

A young Afghan boy and girl hold their winter supplies after Afghan National Police officers distributed humanitarian aid to the village of Mogul Zai, Zabul Province, Afghanistan, Oct. 29. The aid consisted of well materials and winter clothing supplies. (U.S. Air Force photo/Staff Sgt. Brian Ferguson)

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Afghan boys at the Miray School look on as soldiers from C Company, 3-187th Infantry Regiment, 101st Airborne Division and Afghan Uniform Police visit the school in the Andar District, Afghanistan, Jan. 06, 2011. The 3-187th also known as the Iron Rakkasans are partnering with Afghan National Security Forces to bring stability to the Andar District in Eastern Afghanistan. (ISAF photo by U.S. Air Force Staff Sgt. Joseph Swafford/released)

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An Afghan child arrives for a day of learning at The Sayeed Shied Bacha School, Dec. 9, 2010, in Kandahar, Afghanistan. Afghan commandos, with 3rd Commando Kandak, and U.S. Soldiers with Special Operations Task Force - South, distributed jackets, bookbags and other supplies to the students. (U.S. Army photo by Spc. Daniel P. Shook / Special Operations Task Force - South)