Edward Cody surveys US policy in the Western Pacific:

The rise of China as a regional force has shaken assumptions that had governed this vast region since the end of World War II, including that of uncontested U.S. naval and air power from California to the Chinese coast. With those days soon to end, senior officers said, the U.S. military in Asia is retooling to reflect new war-making technology, better prepare for military crises and counter any future threat from the emergent Chinese navy and air force.