Allowing China to prevail in its South China Sea claims would pose a number of risks to U.S. national security and global economy
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The differing views held by the United States and China over maritime boundaries has great significance for U.S. national security. The military forces of the United States provide a critical deterrent against foreign aggression that might affect the global flow of commerce. In order for U.S. forces to be a credible deterrent they must have access. In its analysis of the national security implications inherent in the UNCLOS convention, the U.S. Department of Defense emphatically stated that, “Assurance that key sea and air lines of communication will remain open as a matter of international legal right and will not become contingent upon approval by coastal or island nations is an essential requirement for implementing our national security strategy.”49 China’s policies and actions place this freedom at risk. If they are allowed to prevail in their claims, the negative operational consequences for USPACOM are tremendous.
If China is allowed to prevail in its claims of sovereign jurisdiction over enormous ocean areas, this would seriously degrade the ability of U.S. forces to conduct peacetime operations in a critical region. Not only would the U.S. Air Force and Navy be unable to operate in much of the south-east Asian littoral, but forces responding to contingencies in other regions could be forced to take alternate routes that would significantly restrict the ability of the U.S. to quickly respond to a crisis.50
Second, without U.S. presence, important partners such as Singapore and the Philippines would no longer benefit from the stabilizing influence that the presence of U.S. forces provides. Instead, as the emerging naval power in the region, Chinese ships would be free to exert their influence unchecked.
Lastly, any freedom of navigation operations conducted by U.S. forces take on a new level of risk as the mere presence of U.S. forces in China’s claimed EEZ could result in hostilities. U.S. forces and Allies, like Australia, routinely conduct freedom of navigation (FON) operations in order to oppose illegitimate maritime claims. These operations are not intended to be antagonistic. Rather, they are intended to serve as just one element in the discourse between nations.51 However, with China’s extreme sensitivity to sovereignty, most U.S. FON operations will almost certainly be viewed as blatantly provocative.52