Defense Secretary Ash Carter tours a Stryker vehicle as he visits with soldiers of the 25th Infantry Division's 1st Stryker Brigade Combat Team, during a visit to Fort Wainwright, Alaska, Oct. 30, 2015. The secretary is traveling to the Asia-Pacific region, where he will meet with leaders from more than a dozen nations across Asia to help advance the next phase of the U.S. military’s rebalance in the region by modernizing longtime alliances and building new partnerships. DoD Photo by Air Force Senior Master Sgt. Adrian Cadiz