Asia’s Greatest Fear: A U.S.-China War

How would it start? Who would win? Welcome to World War III.

By Robert Farley
The National Interest

Editor’s Note: Please also see previous works by Robert Farley including Will the F-35 Dominate the Skies?, Five Best Bombers of All Time, Top Five Fighter Aircraft of All Time, Five Worst Fighter Aircraft of All Time and the Five Best Submarines of All Time.

How does the unthinkable happen? As we wind our way to the 100th anniversary of the events that culminated in World War I, the question of unexpected wars looms large. What series of events could lead to war in East Asia, and how would that war play out?

The United States and China are inextricably locked in the Pacific Rim’s system of international trade. Some argue that this makes war impossible, but then while some believed World War I inevitable, but others similarly thought it impossible.

In this article I concentrate less on the operational and tactical details of a US-China war, and more on the strategic objectives of the major combatants before, during, and after the conflict. A war between the United States and China would transform some aspects of the geopolitics of East Asia, but would also leave many crucial factors unchanged. Tragically, a conflict between China and the US might be remembered only as “The First Sino-American War.”

How the War Would Start

Fifteen years ago, the only answers to “How would a war between the People’s Republic of China and the United States start?” involved disputes over Taiwan or North Korea. A Taiwanese declaration of independence, a North Korean attack on South Korea, or some similar triggering event would force the PRC and the US reluctantly into war.

This has changed. The expansion of Chinese interests and capabilities means that we can envision several different scenarios in which direct military conflict between China and the United States might begin. These still include a Taiwan scenario and North Korea scenario, but now also involve disputes in the East and South China Seas, as well as potential conflict with India along the Tibetan border.

The underlying factors are the growth of Chinese power, Chinese dissatisfaction with the US-led regional security system, and US alliance commitments to a variety of regional states. As long as these factors hold, the possibility for war will endure.

Whatever the trigger, the war does not begin with a US pre-emptive attack against Chinese fleet, air, and land-based installations. Although the US military would prefer to engage and destroy Chinese anti-access assets before they can target US planes, bases, and ships, it is extremely difficult to envisage a scenario in which the United States decides to pay the political costs associated with climbing the ladder of escalation.

Instead, the United States needs to prepare to absorb the first blow. This doesn’t necessarily mean that the U.S. Navy (USN) and U.S. Air Force (USAF) have to wait for Chinese missiles to rain down upon them, but the United States will almost certainly require some clear, public signal of Chinese intent to escalate to high-intensity, conventional military combat before it can begin engaging Chinese forces.

If the history of World War I gives any indication, the PLA will not allow the United States to fully mobilize in order to either launch a first strike, or properly prepare to receive a first blow. At the same time, a “bolt from the blue” strike is unlikely. Instead, a brewing crisis will steadily escalate over a few incidents, finally triggering a set of steps on the part of the US military that indicate to Beijing that Washington is genuinely prepared for war. These steps will include surging carrier groups, shifting deployment to Asia from Europe and the Middle East, and moving fighter squadrons towards the Pacific. At this moment, China will need to decide whether to push forward or back down.

On the economic side, Beijing and Washington will both press for sanctions (the US effort will likely involve a multilateral effort), and will freeze each others assets, as well as those of any co-belligerents. This will begin the economic pain for capital and consumers across the Pacific Rim, and the rest of the world. The threat of high intensity combat will also disrupt global shipping patterns, causing potentially severe bottlenecks in industrial production.

How do the Allies Respond [...]

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