U.S. soldiers look through their rifle scopes as they provide security during a transition ceremony of private security forces to Afghan Public Protection Force (APPF) on the outskirts of Kabul, Afghanistan, Thursday, March 15, 2012. Blue Hackle private security company, which was providing security to Kabul Tara Khail power plant handed over their weapons to Afghan Public Protection Force (APPF), which will be providing security as private security companies are due to be disband completely. (AP Photo/Ahmad Jamshid)
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