U.S. Army General Stanley McChrystal, commander of the International Security Assistance Forces and commander of U.S. Forces in Afghanistan, says goodbye to President of Afghanistan Hamid Karzai before Karzai boards his aircraft at Campbell Army Airfield, Fort Campbell, Ky., on May 14, 2010. U.S. Army General Stanley McChrystal, commander of the International Security Assistance Forces and commander of U.S. Forces in Afghanistan, says goodbye to President of Afghanistan Hamid Karzai before Karzai boards his aircraft at Campbell Army Airfield, Fort Campbell, Ky., on May 14, 2010. SHARE: Download: Full Size (1.8 MB) Tags: Photo Essays Credit: VIRIN: 262697-N-JXL76-620.jpg Photo Gallery