A U.S. soldier stands in a muddy field in Zumar, Iraq, as troops begin building a combined security checkpoint in February 2010.
A father rests his hand on his son's head after agreeing to a polio vaccination for the child in Muzaffarnagar, India, in February 2005.
Ankur, 7, who doesn’t know his last name but knows he is different after being paralyzed by polio at six months old, hides his face in embarrassment along a dusty street near Muzaffarnagar, Uttar Pradesh, India, in February 2005.
A tear rolls down a young girl's face as she receives treatment at a small medic station in a refugee camp in Port-au-Prince, Haiti, after the 2010 earthquake.
Haitian children stand on a beach in Neply, Haiti, as a U.S. Navy landing craft delivers supplies days after the 2010 earthquake.
Children beg for small gifts during a polio vaccination event in Muzaffarnagar, a district in Uttar Pradesh, India, during the country’s National Immunization Days.
A police officer watches as protesters breach a barbed-wire barricade outside the home of Chief Justice Iftikhar Mohammad Chaudhry, who was under house arrest in Islamabad’s judicial colony. Nearly 300 demonstrators called for President Pervez Musharraf’s ouster and the restoration of the judiciary in February 2008.
A police officer watches as protesters breach a barbed-wire barricade outside the home of Chief Justice Iftikhar Mohammad Chaudhry, under house arrest in Islamabad’s judicial colony. Nearly 300 demonstrators called for President Pervez Musharraf’s ouster and the restoration of the judiciary in February 2008.
Rotarians Andrea Shields, 57, a clinical psychologist from Rancho Cucamonga, Calif., and Joseph Tafelski, 58, a legal aid attorney from Toledo, Ohio, help administer the oral polio vaccine to a child in Muzaffarnagar, Uttar Pradesh, during India’s National Immunization Days in February 2004.
A boy plays in the street of Muzzafarnager, India in February 2005.
Children run past U.S. Army 101st Airborne Division Humvees as they patrol Seneky, a village in Afghanistan’s Khost Province.
An Afghanistan National Police (ANP) officer stands watch on a hillside in Kutchyan, a village in Khost Province, Afghanistan, holding a rocket-propelled grenade launcher during a joint mission with the U.S. Army’s 101st Airborne Division, Golf Co. 4/320th Field Artillery Regiment.
Children sit in a madrassa, an Islamic religious school, in Islamabad, Pakistan, in March 2009. Madrassas often provide free religious education, along with boarding and lodging, and are often the only educational option for children from impoverished families.
Children play in the street of their village just outside of Islamabad, Pakistan in March 2009.
A girl runs though her village just outside of Islamabad, Pakistan in March 2009.
Extreme poverty and distrust in a tribal society, where only 3% of women and 17% of men are literate, complicate the military and development efforts outlined by President Obama in April 2009. In some villages, basic necessities are scarce, as seen in this young Pakistani girl drawing water from a broken pipe in Islamabad.
A boy lies in bed next to his sister in a Christian colony in Islamabad, Pakistan, in April 2009.
The wind blows an Afghan man's scarf as he stands in Turqel, a village in Khost Province, Afghanistan, in May 2008.
An Afghanistan National Police (ANP) officer shakes hands with a young child in a field while patrolling with the U.S. Army's 101st Airborne Division in Legharah, a village in Khost Province, Afghanistan, in May 2008.
A young boy stands in the burnt remains of an Egyptian Central Security Forces (CSF) armored vehicle in Tahrir Square, burned by protesters during clashes with security forces the previous evening.
A man walks past a billboard as Crimea votes in a referendum on whether to join Russia or become an independent state linked to Ukraine, in Simferopol, Ukraine, on March 16, 2014.
Soldiers from the U.S. Army's 101st Airborne Division lead a group of suspected Taliban fighters back to their Humvees after a night raid on a home in Wum Khayal, Nadar Shah Kot District, Khost Province, Afghanistan, in May 2008. Nine suspects, found sleeping outside the home, were taken into custody, processed, and released due to insufficient evidence.
Soldiers from the U.S. Army's 3rd Infantry Division hold a reenlistment ceremony at an oil field in Kirkuk, Iraq in 2010.