160929-N-UD666-137 SAN DIEGO (Sept. 29, 2016) Defense Secretary Ash Carter delivers a speech on the flight deck of the aircraft carrier USS Carl Vinson (CVN 70). Carter spoke to the Vinson crew regarding the rebalance to the Asia-Pacific and ongoing security challenges in the region. Carl Vinson is preparing for a 2017 Western Pacific Deployment. (U.S. Navy Photo by Seaman Daniel P. Jackson-Norgart/Released)