It appears increasingly likely that the Bush administration's diplomatic approach to Iran will fail to prevent Iran from going nuclear and that the United States will have to decide whether to use military force to attempt to delay Iran's acquisition of a nuclear weapons capability. Some analysts have already been promoting air strikes against Iran, and the Bush administration has pointed out repeatedly that the military option is “on the table.” This paper examines the options available to the United States in the face of a prospective final diplomatic collapse.