The gray line in the upper left comes from an aerial view of Afghanistan's crucial Highway 1, the main route between Kabul and Kandahar, the two biggest cities. U.S. forces are still working to secure the route which runs through lush farm valleys and the high desert terrain. David Gilkey/NPR hide caption

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A wounded Afghan police officer is helped from the scene of Friday's explosion and gunfire in Kabul. Omar Sobhani /Reuters /Landov hide caption

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The scene Thursday in Kabul, Afghanistan, after a suicide bomber attacked a NATO convoy. Zhao Yishen /Xinhua /Landov hide caption

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Solomon "Sully" Omar performs with the Afghan metal band District Unknown at the third annual Sound Central Festival in Kabul earlier this month. Courtesy of Ellie Kealey hide caption

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A dashcam video purports to show the crash of a civilian cargo 747 in Afghanistan Monday. LiveLeak hide caption

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Afghan policewomen take part in a training exercise in the western province of Herat in 2011. Policewomen face frequent sexual harassment and assaults, often carried out by policemen, human rights groups say. Sardar/Xinhua/Landov hide caption

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Anne Smedinghoff, 25, was killed April 6, in southern Afghanistan. She was the first American diplomat to die on the job since last year's attack in Benghazi, Libya. Tom Smedinghoff via AP hide caption

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