Saturday, March 22, 2014

What Would Air-Sea Battle do About Orbital Assets?


The threat of China’s Anti-Access and Area Denial (A2/AD) systems looms large in the minds of U.S. military thinkers and planners. The threat posed to U.S. naval forces by anti-ship ballistic missiles, submarines, and swarms of small combatants are well known to the readers of this blog. Air-Sea Battle, however, will not simply be fought in the air and seas of the Asia-Pacific but in space as well. The Air-Sea Battle Concept recognizes that “all domains will be contested by an adversary—space, cyberspace, air, maritime, and land.” While space is usually thought of as an Air Force domain, the Navy can make an important contribution to ensure the success of U.S. operations.

Space systems are a key source of U.S. military advantage. The United States has been uniquely successful in leveraging satellite communications, space-based intelligence capabilities, and the GPS constellation to enable global power projection and precision strike. This tremendous success has also made the United States particularly vulnerable to attacks on its space assets. Seeking to exploit this vulnerability China has invested heavily in counter-space systems. The potential of China’s counter-space program was illustrated most clearly by its successful test of a direct ascent anti-satellite weapon in 2007, destroying an obsolete Chinese satellite and filling low earth orbit with thousands of pieces of debris.

While the dependence of U.S. forces on space systems is relatively common knowledge, less appreciated is China’s increasing dependence on space to accomplish its own military missions. China uses space assets not to enable global power projection (at least, not yet) but as key parts of its A2/AD kill chain. China is building a maritime reconnaissance-strike complex, much like the one fielded by the Soviet Union during the cold war, including optical and radar imaging satellites as well as electronic intelligence satellites, that will allow it to locate U.S. ships at sea. Weather satellites will also aid China’s over-the-horizon radars tracking U.S. ships in the Western Pacific. Once Chinese satellites locate U.S. carrier groups and other targets, the Beidou satellite constellation, China’s counterpart to GPS, will guide long-range missiles to their targets.

Faced with the threat to important U.S. space assets and the threat from Chinese space assets, what contributions can the Navy make to the Air-Sea Battle fight in space?

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