Afghan President Hamid Karzai speaks during a ceremony at military academy on the outskirts of Kabul, Afghanistan, on Tuesday, June 18, 2013. Mr. Karzai announced at the event that his country's armed forces are taking over the lead for security nationwide from the U.S.-led NATO coalition. (AP Photo/Rahmat Gul)
Afghan President Hamid Karzai speaks during a ceremony at military academy on the outskirts of Kabul, Afghanistan, on Tuesday, June 18, 2013. Mr. Karzai announced at the event that his country's armed forces are taking over the lead for security nationwide from the U.S.-led NATO coalition. (AP Photo/Rahmat Gul)
Afghan President Hamid Karzai speaks at a press conference during a ceremony at a military academy on the outskirts of Kabul, Afghanistan, Tuesday, June 18, 2013. Afghan forces have taken over the lead from the U.S.-led NATO coalition for security nationwide, Karzai announced in the significant milestone in the 12-year war. (AP Photo/Rahmat Gul)
**FILE** Afghan security forces members stand guard at the site of a blast near the Afghan Independent Human Rights Commission in Kabul, Afghanistan, on June 18, 2013. The large bomb exploded in the Afghan capital as the international military coalition hands over responsibility for fighting the Taliban insurgency to the nascent national army and police they have been training. (Associated Press)
**FILE** Afghan security forces members stand guard at the site of a blast near the Afghan Independent Human Rights Commission in Kabul, Afghanistan, on June 18, 2013. The large bomb exploded in the Afghan capital as the international military coalition hands over responsibility for fighting the Taliban insurgency to the nascent national army and police they have been training. (Associated Press)
**FILE** Afghan security forces members stand guard at the site of a blast near the Afghan Independent Human Rights Commission in Kabul, Afghanistan, on June 18, 2013. The large bomb exploded in the Afghan capital as the international military coalition hands over responsibility for fighting the Taliban insurgency to the nascent national army and police they have been training. (Associated Press)
Afghan National Army soldiers march in the Sangin district of Kandahar province in southern Afghanistan on Thursday, June 13, 2013. One of the most significant turning points in one of America's longest and costliest wars is imminent: Afghanistan's fledgling security forces are taking the lead for security nationwide, bringing the moment of truth on the question of whether they are ready to fight an insurgency that remains resilient after nearly 12 years of conflict. That question is especially pressing here in this border region, where insurgents regularly ambush government forces and control parts of the countryside. (AP Photo/Allauddin Khan)
Afghan National Army soldiers march in the Sangin district of Kandahar province in southern Afghanistan on Thursday, June 13, 2013. One of the most significant turning points in one of America's longest and costliest wars is imminent: Afghanistan's fledgling security forces are taking the lead for security nationwide, bringing the moment of truth on the question of whether they are ready to fight an insurgency that remains resilient after nearly 12 years of conflict. That question is especially pressing here in this border region, where insurgents regularly ambush government forces and control parts of the countryside. (AP Photo/Allauddin Khan)
Afghan men rush a wounded woman to receive treatment, after a suicide car bomber struck outside the Afghan Supreme Court in Kabul, Afghanistan, Tuesday, June 11, 2013. (AP Photo/Ahmad Jamshid)
