DefenceTalkThe United States announced Friday it has successfully tested an unarmed prototype of a hypersonic missile, a nuclear-capable weapon that could accelerate the arms race between superpowers. The Pentagon said a test glide vehicle flew at hypersonic speeds — more than five times the speed of sound, or Mach 5 — to a designated impact […]https://www.defencetalk.com/pentagon-successfully-tests-hypersonic-missile-74917/