Pentagon : Chinese military expanding its Navy , investing in weapons . Officials worry China is trying to hack into U.S. military computers . The Chinese once had a small Navy . Score: 6 Pentagon : China 's lack of transparency makes it hard to know the extent of activity .
Pentagon : Chinese military expanding its Navy , investing in weapons . Officials worry China is trying to hack into U.S. military computers . Score: 6 Pentagon : China 's lack of transparency makes it hard to know the extent of activity .