The story I saw in NBC Monday night showed the explosive power of a 20 pound warhead fired at Mach 7. The engineer gloated this could hit an object 2,000 miles away w a velocity of 5,400mph and proper elevation.
Just sayn
I don’t have the math mojo to make the calculations anymore, but that seems rather optimistic, but I can’t prove it wrong.
I'm not a rocket scientest but doesn't the curvature of the Earth come in at some point?