U.S. soldiers stand guard during a security transition ceremony from private security companies to the Afghan government in Kabul

 
U.S. soldiers stand guard during a security transition ceremony from private security companies to the Afghan government in Kabul
U.S. soldiers stand guard during a security transition ceremony from private security companies to the Afghan government in Kabul March 15, 2012. REUTERS/Omar Sobhani (AFGHANISTAN - Tags: MILITARY)