QALAT, AFGHANISTAN - MAY 11:  In this handout photo provided by ISAF Regional Command (South), U.S. Army Sgt. Johnny Hoyos pulls security above the prisoner courtyard as members of Provincial Reconstruction Team Zabul and 1st Stryker Brigade Combat Team, 25th Infantry Division, visit the Zabul Provincial Prison, May 11, 2011 in Qalat, Afghanistan. Afghan National Army (ANA) current goal is to have 171,600 troops by October 2011 in anticipation for the U.S. troop withdrawal. Getty Images logo Getty Images 9 months ago

QALAT, AFGHANISTAN - MAY 11: In this handout photo provided by ISAF Regional Command (South), U.S. Army Sgt. Johnny Hoyos pulls security above the prisoner courtyard as members of Provincial Reconstruction Team Zabul and 1st Stryker Brigade Combat Team, 25th Infantry Division, visit the Zabul Provincial Prison, May 11, 2011 in Qalat, Afghanistan. Afghan National Army (ANA) current goal is to have 171,600 troops by October 2011 in anticipation for the U.S. troop withdrawal.