120920-N-SF704-238 120920-N-SF704-238 WESTERN PACIFIC OCEAN (Sept. 20, 2012) Operating to ensure security and stability in the vital Asia-Pacific region, two of the U.S. Navy’s 11 global force aircraft carriers conducted readiness operations at the conclusion of exercise Valiant Shield. The Bremerton, Washington-based aircraft carrier USS John C. Stennis (CVN 74), fore, the forward-deployed aircraft carrier USS George Washington (CVN 73), back, along with the San Diego-based guided-missile cruiser USS Mobile Bay (CG 53) exercised surface and anti-submarine training events as well as integrated flight operations in order to respond quickly to any future crises in the region.