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New details emerge of Russia's potential nuclear space weapon. "The United States has been aware of Russia's pursuit of this sort of capability dating back years, but only recently have we been able to make a more precise assessment of their progress."
"The United States has been aware of Russia's pursuit of this sort of capability dating back years, but only recently have we been able to make a more precise assessment of their progress," said Mallory Stewart, State Department assistant secretary for the Bureau of Arms Control, Deterrence, and Stability.
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