The
United States announced Friday it has successfully tested an unarmed prototype of a hypersonic missile, a weapon that could potentially overwhelm an adversary's defense systems.
The
Pentagon said a test
missile flew at hypersonic speeds -- more than five times the speed of sound, or Mach 5 -- to a designated impact point.
The test followed the first joint US Army and Navy flight experiment in October 2017, when the prototype missile demonstrated it could glide in the direction of a target at hypersonic speed.