DEPARTING BEIJING U.S. Defense Secretary Leon E. Panetta, center, walks with U.S. Ambassador to China Gary Locke, left, and U.S. Marine Corps Lt. Gen. John F. Kelly before departing Beijing, Sept. 20, 2012. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 923151-Z-FPH54-039.jpg Photo Gallery