President Obama hugs Secretary Panetta during a farewell tribute in honor of Panetta President Barack Obama hugs Secretary of Defense Leon E. Panetta during an armed forces farewell tribute in honor of Panetta at Joint Base Meyer-Henderson Hall, Va., on Feb. 8, 2013. Panetta is stepping down as the 23rd secretary of defense. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 021828-P-QYW70-409.jpg Photo Gallery