|More:| Rapmaster2000 : I keep reading these hypersonic missile articles about both China and Russia, but an ICBM goes 21,000 mph and it has done so for the last 60+ years. Why am I supposed to be worried about this? Rapmaster2000 : I keep reading these hypersonic missile articles about both China and Russia, but an ICBM goes 21,000 mph and it has done so for the last 60+ years. Why am I supposed to be worried about this? Rapmaster2000 : I keep reading these hypersonic missile articles about both China and Russia, but an ICBM goes 21,000 mph and...