Official: Russian weapon 27 times faster than speed of sound

MOSCOW (AP) — Russia's new strategic weapon has rendered any missile defenses useless at a small fraction of their cost, officials said Thursday.

The Avangard hypersonic glide vehicle flies 27 times faster than the speed of sound, making it impossible to intercept, Deputy Prime Minister Yuri Borisov told Russian state television.

The new weapon "essentially makes missile defenses useless," he said.

Borisov spoke a day after Russian President Vladimir Putin oversaw what he described as the conclusive successful test of the Avangard and hailed it as a reliable guarantee of Russia's security for decades to come.

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