BOUND FOR CHINA U.S. Defense Secretary Robert M. Gates and a member of his staff walk away from a Marine One helicopter as they prepare to board the National Airborne Operations Center aircraft on Andrews Air Force Base, Md., Jan. 8, 2011. Gates departed on a seven-day trip to China, Japan and South Korea to discuss defense issues. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 435625-D-KPE03-306.jpg Photo Gallery