Alexander Leonov, the chief designer of Russia's defense conglomerate and creator of the "Zircon" hypersonic missile, has passed away.

Alexander Leonov, head of the Russian defense industry conglomerate "Scientific and Production Association Mechanical Engineering," chief designer, Hero of Labor, and creator of the "Zircon" hypersonic missile, has passed away.

Original source: toutiao.com/article/1861701433387020/

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