Prince Harry, known when on duty as "Capt. Wales," in the cockpit of an Apache helicopter while he was in Afghanistan last month. John Stillwell/PA wire/pool/EPA /Landov hide caption

itoggle caption John Stillwell/PA wire/pool/EPA /Landov

Afghan President Hamid Karzai and President Obama during Friday's news conference at the White House. Jim Lo Scalzo/EPA /LANDOV hide caption

itoggle caption Jim Lo Scalzo/EPA /LANDOV

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