You could say that the three biggest challenges facing the U.S. Navy's shipbuilding program are money, money, and money. The service has a clear vision of how to construct a networked, flexible fleet suitable for use across the spectrum of conflict. But it only gets $13-14 billion per year to build the warships that will populate that fleet. That isn't much for a country that relies on its Navy every day to sustain nuclear deterrence, assure free transit of sea lanes, and carry the global war on terror to the enemy. However, with the government borrowing $4 billion per day...