Pittsburgh Post-Gazette

Russian weapon escalates arms race

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WASHINGTON — The Russian military on Friday said it had deployed a hypersonic weapon that flies at superfast speeds and can easily evade American missile defense systems, potentiall­y setting off a new chapter in the long arms race between the world’s preeminent nuclear powers.

American officials said Friday they have little doubt that the Russians have a working hypersonic weapon, which sits on top of a modified missile and is capable of carrying a nuclear warhead at speeds faster than 3,800 mph.

Moscow has been working on

the technology for years and has invested heavily in it, determined to reverse the pattern in the Cold War, when it was often struggling to catch up with American nuclear weapons systems. If the new system, called “Avangard,” works as President Vladimir Putin of Russia boasted when he described the weapon a year ago, it would significan­tly enhance Moscow’s already powerful nuclear forces, American officials said.

Hypersonic weapons fly extremely fast and can maneuver along unpredicta­ble trajectori­es, making them incredibly difficult for current systems to track, much less shoot down. Senior American military officials said the United States plans to deploy its own hypersonic weapons by 2022, but some experts believe that schedule may prove optimistic.

Yet the Russian announceme­nt may be as much about spurring a new round of diplomatic talks as it is about reviving an arms race, current and former diplomats said. Moscow is anxious for President Donald Trump to renew the last remaining arms control treaty between the United States and Russia, called New START, which limits strategic nuclear missile launchers and deployed warheads for both nations. The treaty expires soon after the next presidenti­al inaugurati­on in 2021.

The Trump administra­tion has been noncommitt­al about extending the treaty, and Mr. Trump has repeatedly said that he would only renew it if it includes China and other nuclear powers. China has said it is not interested in any numerical limits on its arsenal, which is onefifth of the size of America’s and Russia’s.

Last month, Secretary of State Mike Pompeo declared that “the world has changed” in the decade since the Obama administra­tion negotiated New START and arms control treaties can no longer be limited “to the United States and Russia.”

By showcasing its new weapon, Russia could be trying to pressure Mr. Trump to open talks. Mr. Putin said earlier this week that Russia was ahead on hypersonic technology, reveling in a rare moment of superiorit­y to American and Chinese technology. The Russian leader has been unafraid to use “nuclear diplomacy” and Moscow has been designing new weapons that can threaten the United States.

Mr. Trump has at times called for starting a new arms race, saying that American technology would ultimately win. Yet while the United States military was once thought to be well ahead in hypersonic technology, the pace of developmen­t flagged in recent years.

“China and Russia made hypersonic weapons a national priority. We didn’t,” William Roper, the head of Air Force acquisitio­ns and technology, said on Friday. “Every service now has a major hypersonic­s program in a department­wide effort to catch up.”

The United States Air Force has two hypersonic prototypes in testing and while developmen­t is on an accelerate­d pace, the weapons are not scheduled to be operationa­l until 2022.

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