PACIFIC OCEAN (Sept. 20, 2012) The U.S. Navy's forward-deployed aircraft carrier USS George Washington (CVN 73), right, the Ticonderoga-class guided-missile cruiser USS Mobile Bay (CG 53), center, and the aircraft carrier USS John C. Stennis (CVN 74) transit the Pacific Ocean after completing exercise Valiant Shield 2012. Valiant Shield is an integrated joint training exercise that offers the opportunity to integrate Navy, Air Force and Marine Corps assets in a blue-water environment. (U.S. Navy photo by Mass Communication Specialist 3rd Class William Pittman)