OFFICIAL WELCOME U.S. Defense Secretary Ash Carter shakes hands with South Korean Defense Minister Han Min Koo on Pyeongtaek Naval Base, South Korea, April 10, 2015. Carter is on a visit to the U.S. Pacific Command Area of Responsibility to make observations for the future force and the rebalance to the Pacific. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 835995-Y-RUP18-936.jpg Photo Gallery