From The International Herald Tribune:
As China builds a military to match its growing economic power, its neighbors and potential rivals including the United States have puzzled over a key question: When will the Chinese Navy launch an aircraft carrier?
For decades, senior Chinese military and political officials have argued that for the country to become a great power, the People’s Liberation Army Navy needs to add these potent warships to its fleet.
However, the major obstacle to this ambition is that aircraft carriers are hugely expensive.