This text prepares the ground - both for US policy makers and America's allies in Asia - for the time in the not too distant future when the United States will no longer be in a position to guarantee the stability of the Asia-Pacific region by its unilateral actions and forward military presence. Arguing that the US-dominated system of Asian security from the Cold war era needs a fundamental transformation over the next ten years, the authors recommend a number of steps the US can take to help develop a moderate multipolar balance of power in Asia.