File photos of Generals John Allen and David Petraeus greeting Secretary of Defense Panetta in Kabul

 
File photos of Generals John Allen and David Petraeus greeting Secretary of Defense Panetta in Kabul
USMC Lt. General John Allen (L) and U.S. Army General David Petraeus (C) greet U.S. Secretary of Defense Leon Panetta after Panetta's arrival in Kabul, Afghanistan in this July 9, 2011 file photograph. REUTERS/Paul Richards/Files