Since 11 September 2001, the U.S. defense budget has risen by about 25 percent, after factoring out inflation. The reasons for such an increase are numerous: si- multaneously fighting wars in both Afghanistan and Iraq, increases in military pay and benefits, and more money for some major weapons programs. In this same time period, money devoted to building the Navy’s ships has only bounced around. In fiscal year 2001, the Navy spent 12billiononships.ThePresi−dent’srequestforshipsin2005is11 billion. Why might this be the case