The challenges to American security in the Western Pacific, the seas that surround Europe, and the Persian Gulf are growing. At the same time, U.S. military commanders seek more naval forces to protect America's interest in the safe transit of American goods, deterrence in a proliferating world, and the defense of our key allies. At the same time U.S. defense budgets are shrinking. American seapower has not been as small as it is today since before World War I. Unless reversed, U.S....