Carter Address Defense Secretary Ash Carter addresses sailors aboard the USS Carl Vinson in San Diego, Sept. 29, 2016. Carter is on a trip to discuss rebalancing to the Asia-Pacific region and ongoing security challenges there. DoD photo by Air Force Tech. Sgt. Brigitte N. Brantley SHARE: Download: Full Size (0.44 MB) Credit: Air Force Tech. Sgt. Brigitte N. Brantley VIRIN: 160929-D-GO396-073C.JPG Photo Gallery