U.S. Army Pvt. Freymond Tyler sleeps on a laptop next to his gun at combat outpost Makuan in Kandahar province, Afghanistan, in 2011. Romeo Gacad/AFP/Getty Images hide caption

itoggle caption Romeo Gacad/AFP/Getty Images

U.S. troops patrol in the Baraki Barak district of Logar province, Afghanistan. Sean Carberry/NPR hide caption

itoggle caption Sean Carberry/NPR

Blood stained the ground at the scene today in Khost, where a suicide bomber struck. Anwarullah /Reuters /Landov hide caption

itoggle caption Anwarullah /Reuters /Landov

January 2011: Boys in the Andar district of Afghanistan gathered to collect candy from passing U.S. Army soldiers. Now, there are reports from that area of locals rising up against the Taliban. Shah Marai /AFP/Getty Images hide caption

itoggle caption Shah Marai /AFP/Getty Images

A suicide bomber struck a convoy of buses today in Kabul, killing at least 12 people — mostly foreigners. Massoud Hossaini /AFP/Getty Images hide caption

itoggle caption Massoud Hossaini /AFP/Getty Images

There were also anti-American protests in Kabul on Sunday. Massoud Hossaini /AFP/Getty Images hide caption

itoggle caption Massoud Hossaini /AFP/Getty Images

A U.S. Predator drone flies through the night sky over Kandahar Air Field in Afghanistan. Such drones have been targeting groups such as the Haqqani network that are accused of attacking U.S. and Afghan forces. Kirsty Wigglesworth/AP hide caption

itoggle caption Kirsty Wigglesworth/AP