KEY POINTS
  • Russia conducted another successful test of a hypersonic weapon system capable of carrying nuclear warheads, the Kremlin announced Wednesday.
  • The hypersonic glide vehicle, dubbed Avangard, is expected to enter Russia’s arsenal by 2020, according to sources with direct knowledge of a U.S. intelligence assessment. 
  • The latest revelations come nine months after Russian President Vladimir Putin touted his nation's growing hypersonic arsenal as "invincible."

WASHINGTON — Russia conducted another successful test of a hypersonic weapon system capable of carrying nuclear warheads, the Kremlin announced Wednesday.

Moscow's hypersonic glide vehicle, dubbed Avangard, has been in development for three decades and can travel at least five times the speed of sound, or about one mile per second.