comment: >
  
  Isn't the point of a missile to go boom?
context: "Russian warship armed with hypersonic missiles"
  Both of them? >
  
  More importantly, do either work? You can do drills with empty tubes, but faulty warheads is plain embarrassing. >
  
  Yes, both of the unguided hypersonic missiles will go hypersonic speed, and will go boom when they land. Why would anybody need a guided hypersonic missile?