Monday, January 27, 2014

US Navy: Wu-14 Hypersonic Glide Vehicle is Only a Symptom

In the view of the U.S. Navy, the Mach 10 test of a hypersonic glide vehicle that China conducted on Jan. 9 reflects its predictions of future warfare. If and when China can put the technology into service, Beijing will have a weapon that challenges defenses and extends the range of its ballistic missiles against land and sea targets, but its offensive application is still some years away and depends on solving tough challenges in targeting and guidance.

The hypersonic glide vehicle (HGV) test appears to mark a step beyond China's anti-ship ballistic missile (ASBM) program, featuring a slower, shorter-range maneuverable reentry vehicle (RV)—and may point to a second-generation ASBM.

To some analysts, the test underscores the need for the U.S. to field directed-energy weapons, since interceptor missiles may be unable to handle targets that appear with little warning and then maneuver at speeds above Mach 5. The U.S. is developing directed-energy weapons, but it is not clear when they will be needed or available.

China's HGV, called WU-14 by the Pentagon, was launched into space by an intercontinental ballistic missile (ICBM) booster, after which it returned to the atmosphere to glide at up to Mach 10. The test was conducted within China, says the defense ministry in Beijing. On Jan. 19, another object was test-launched from the same space base at Taiyuan, says analyst Richard Fisher of the Washington-based International Assessment and Strategy Center. The Jan. 9 test was first detailed by Bill Gertz of the Washington Free Beacon.

China's achievement must be placed in perspective. The U.S. Air Force tested a Mach 15 HGV, the McDonnell Boost Glide Research Vehicle, four times in 1966-68, with two successful flights. A follow-on that represented an operational design, the McDonnell Douglas Advanced Maneuvering Reentry Vehicle (AMaRV), was tested in 1979-80. The tests did not lead to an in-service weapon because of a 1980s focus on basing modes, arms control and missile defense.

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At the 2014 annual Surface Navy Association Symposium Jan. 15, Locklear said, “a lot of nations are testing hypersonics. That particular test doesn't bother me. This is not about China. This system is going to proliferate. In the 21st century, somebody in the world is going to have that capability. Whether we become the best buddies in the world with China, we're going to face these challenges with somebody, somewhere in the world. It is what it is.”

The admiral hints that the U.S. has been following the WU-14's development. The Chinese were “able to go rapidly with the injection of technology” to get to the point of testing the missile, he says. “They have different processes that allow them to get to it faster.”

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