April 4, 2014
From Photojournalist Anja Niedringhaus Killed in Afghanistan, one of 30 photos. Associated Press photographer Anja Niedringhaus stands next to photographs from Iraq, left, and Afghanistan, right, during a press preview of her exhibition “Anja Niedringhaus At War” at the Gallery C/O in Berlin on September 9, 2011. Niedringhaus was shot and killed by an Afghan policeman today, while covering the upcoming national election in Afghanistan. (Photo/Markus Schreiber)

From Photojournalist Anja Niedringhaus Killed in Afghanistan, one of 30 photos. Associated Press photographer Anja Niedringhaus stands next to photographs from Iraq, left, and Afghanistan, right, during a press preview of her exhibition “Anja Niedringhaus At War” at the Gallery C/O in Berlin on September 9, 2011. Niedringhaus was shot and killed by an Afghan policeman today, while covering the upcoming national election in Afghanistan. (Photo/Markus Schreiber)

March 31, 2014
From The Modern Face of Kabul, one of 26 photos. Mahmoud Hejran (2nd from left) and Zabih Hosseini (center), members of the Afghan band Tanin, play the guitar and sing as they travel back to their music studio after performing on a live TV program in Kabul on March 4, 2014. Despite decades of conflict in Afghanistan, and several recent militant attacks, the country’s capital Kabul is home to a vibrant youth scene of musicians, artists, athletes and activists. Shopping malls and cafes stand in the city, which is nonetheless beset by infrastructure problems and instability. (Reuters/Morteza Nikoubazl)

From The Modern Face of Kabul, one of 26 photos. Mahmoud Hejran (2nd from left) and Zabih Hosseini (center), members of the Afghan band Tanin, play the guitar and sing as they travel back to their music studio after performing on a live TV program in Kabul on March 4, 2014. Despite decades of conflict in Afghanistan, and several recent militant attacks, the country’s capital Kabul is home to a vibrant youth scene of musicians, artists, athletes and activists. Shopping malls and cafes stand in the city, which is nonetheless beset by infrastructure problems and instability. (Reuters/Morteza Nikoubazl)

March 5, 2014
From The Jihad Museum: Afghanistan Remembers the Soviet Invasion, one of 17 photos. Museum assistant and former Soviet soldier, Sheikh Abdullah looks at a display in the Manzar-e Jahad, or Jihad Museum, which depicts the Soviet invasion of 1979 and the Afghan resistance, in Herat, on February 15, 2014. Sheikh Abdullah, who was a Soviet intelligence officer by the name of Khakimov Bakhrodin, was captured after being injured in battle with the Mujahideen. Abdullah stayed with his captors, converted to Islam and was renamed Abdullah. He never returned to his former homeland and now works at the Jihad Museum. (Aref Karimi/AFP/Getty Images)

From The Jihad Museum: Afghanistan Remembers the Soviet Invasion, one of 17 photos. Museum assistant and former Soviet soldier, Sheikh Abdullah looks at a display in the Manzar-e Jahad, or Jihad Museum, which depicts the Soviet invasion of 1979 and the Afghan resistance, in Herat, on February 15, 2014. Sheikh Abdullah, who was a Soviet intelligence officer by the name of Khakimov Bakhrodin, was captured after being injured in battle with the Mujahideen. Abdullah stayed with his captors, converted to Islam and was renamed Abdullah. He never returned to his former homeland and now works at the Jihad Museum. (Aref Karimi/AFP/Getty Images)

February 3, 2014
From Afghan Refugees in Pakistan, one of 30 photos. In this Saturday, January 25, 2014 photo, Afghan refugee girl, Nazmina Bibi, 7, poses for a picture, while playing with other children in a slum on the outskirts of Islamabad, Pakistan. (AP Photo/Muhammed Muheisen)

From Afghan Refugees in Pakistan, one of 30 photos. In this Saturday, January 25, 2014 photo, Afghan refugee girl, Nazmina Bibi, 7, poses for a picture, while playing with other children in a slum on the outskirts of Islamabad, Pakistan. (AP Photo/Muhammed Muheisen)

January 6, 2014
From Afghanistan: December 2013, one of 38 photos. An Afghan worker inspects hundreds of shipping containers received by U.S. and NATO troops at a storage yard in Kandahar, southern Afghanistan, on October 28, 2013. These containers are often used to transport tons of scrap bought by Afghans from the departing U.S. military. (AP Photo/Anja Niedringhaus)

From Afghanistan: December 2013, one of 38 photos. An Afghan worker inspects hundreds of shipping containers received by U.S. and NATO troops at a storage yard in Kandahar, southern Afghanistan, on October 28, 2013. These containers are often used to transport tons of scrap bought by Afghans from the departing U.S. military. (AP Photo/Anja Niedringhaus)

November 26, 2013
From After Afghanistan: Learning to Walk Again, one of 25 photos. Sgt. Matt Krumwiede of the U.S. Army takes a phone call as his hand is massaged by his mother Pam Krumwiede, after being admitted for an infection at Brooke Army Medical Center in San Antonio, Texas, on November 4, 2013. On June 12, 2012, Krumwiede was on patrol in Afghanistan when he stepped on an IED, which tore away both his legs, damaged his left arm, and ripped open his abdominal cavity. The 22-year-old has since undergone around 40 surgeries and is learning to walk with prosthetic legs. He is keen to re-join the infantry as soon as his injuries allow. (Reuters/Jim Urquhart)

From After Afghanistan: Learning to Walk Again, one of 25 photos. Sgt. Matt Krumwiede of the U.S. Army takes a phone call as his hand is massaged by his mother Pam Krumwiede, after being admitted for an infection at Brooke Army Medical Center in San Antonio, Texas, on November 4, 2013. On June 12, 2012, Krumwiede was on patrol in Afghanistan when he stepped on an IED, which tore away both his legs, damaged his left arm, and ripped open his abdominal cavity. The 22-year-old has since undergone around 40 surgeries and is learning to walk with prosthetic legs. He is keen to re-join the infantry as soon as his injuries allow. (Reuters/Jim Urquhart)

November 4, 2013
From Afghanistan: Seen Through the Lens of Anja Niedringhaus, one of 40 photos. Here, a German soldier sits next to candles lit to celebrate his 34th birthday, during a long term patrol in Yaftal e Sofla, in the mountainous region of Feyzabad, east of Kunduz, Afghanistan, on September 16, 2009. (AP Photo/Anja Niedringhaus)

From Afghanistan: Seen Through the Lens of Anja Niedringhaus, one of 40 photos. Here, a German soldier sits next to candles lit to celebrate his 34th birthday, during a long term patrol in Yaftal e Sofla, in the mountainous region of Feyzabad, east of Kunduz, Afghanistan, on September 16, 2009. (AP Photo/Anja Niedringhaus)

October 3, 2013
From Afghanistan: September 2013, one of 34 photos. Here, a man washes his horse in Kabul, Afghanistan, on August 4, 2013. (Reuters/Mohammad Ismail)

From Afghanistan: September 2013, one of 34 photos. Here, a man washes his horse in Kabul, Afghanistan, on August 4, 2013. (Reuters/Mohammad Ismail)

September 18, 2013
From A Replica of Afghanistan in the Mojave, one of 33 photos. Here, 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. (US Department of Defense/EJ Hersom)

From A Replica of Afghanistan in the Mojave, one of 33 photos. Here, 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. (US Department of Defense/EJ Hersom)

September 4, 2013
From The Women of the Afghanistan War, one of 41 photos. British army Corporal Sandra Jordan exercises at Camp Bastion, Britain’s largest base in Helmand Province, Afghanistan, at sundown, on June 3, 2009. Jordan is a ward nurse at the camp hospital, where British and coalition force troops, Afghan National Army and Afghan National Police, as well as civilians and enemy casualties are treated.(AP Photo/Jon Bevan, Ministry of Defence)

From The Women of the Afghanistan War, one of 41 photos. British army Corporal Sandra Jordan exercises at Camp Bastion, Britain’s largest base in Helmand Province, Afghanistan, at sundown, on June 3, 2009. Jordan is a ward nurse at the camp hospital, where British and coalition force troops, Afghan National Army and Afghan National Police, as well as civilians and enemy casualties are treated.(AP Photo/Jon Bevan, Ministry of Defence)

August 1, 2013
From Afghanistan’s Children of War, one of 44 photos. An Afghan refugee girl, in a mud house built with help from the Norwegian refugee council in Ghorian district of Herat province, Afghanistan, after returning to her home country on May 27, 2008. Many Afghan refugees struggle to rebuild their lives in their shattered homeland after spending years, sometimes decades, in Pakistan and Iran where they fled over the last 30 years of almost continual war. (Reuters/Ahmad Masood)

From Afghanistan’s Children of War, one of 44 photos. An Afghan refugee girl, in a mud house built with help from the Norwegian refugee council in Ghorian district of Herat province, Afghanistan, after returning to her home country on May 27, 2008. Many Afghan refugees struggle to rebuild their lives in their shattered homeland after spending years, sometimes decades, in Pakistan and Iran where they fled over the last 30 years of almost continual war. (Reuters/Ahmad Masood)

July 2, 2013
From Afghanistan in the 1950s and 60s, one of 35 photos. This picture was taken in 1962 at the Faculty of Medicine in Kabul of two Afghan medicine students listening to their professor (at right) as they examine a plaster cast showing a part of a human body. (AFP/Getty Images)

From Afghanistan in the 1950s and 60s, one of 35 photos. This picture was taken in 1962 at the Faculty of Medicine in Kabul of two Afghan medicine students listening to their professor (at right) as they examine a plaster cast showing a part of a human body. (AFP/Getty Images)

June 3, 2013
From Afghanistan: May 2013, one of 38 photos. An Afghan National Army soldier assigned to the Mobile Strike Force Kandak fires an RPG-7 rocket-propelled grenade launcher during a live-fire exercise supervised by the Marines with the Mobile Strike Force Advisor Team on Camp Shorabak, Helmand province, Afghanistan, on May 20, 2013. (USMC/Staff Sgt. Ezekiel R. Kitandwe)

From Afghanistan: May 2013, one of 38 photos. An Afghan National Army soldier assigned to the Mobile Strike Force Kandak fires an RPG-7 rocket-propelled grenade launcher during a live-fire exercise supervised by the Marines with the Mobile Strike Force Advisor Team on Camp Shorabak, Helmand province, Afghanistan, on May 20, 2013. (USMC/Staff Sgt. Ezekiel R. Kitandwe)

May 1, 2013
From Afghanistan: April 2013, one of 39 photos. An Afghan woman in a burqa walks along a road on a windy day on the outskirts of Kabul, Afghanistan, on April 16, 2013. (Reuters/Mohammad Ismail)

From Afghanistan: April 2013, one of 39 photos. An Afghan woman in a burqa walks along a road on a windy day on the outskirts of Kabul, Afghanistan, on April 16, 2013. (Reuters/Mohammad Ismail)

April 2, 2013
From Afghanistan: March 2013, one of 41 photos. Here, a child watches Afghan National Security Forces and coalition forces escort a district governor in Helmand province, Afghanistan, on March 17, 2013. (USMC/Sgt. Pete Thibodeau)

From Afghanistan: March 2013, one of 41 photos. Here, a child watches Afghan National Security Forces and coalition forces escort a district governor in Helmand province, Afghanistan, on March 17, 2013. (USMC/Sgt. Pete Thibodeau)