> Surprisingly enough, the AEGIS Anti Ballistic Missile variant is in fact designed to intercept the name on the tin.
When people say "hypersonic missiles" they mean missiles with a hypersonic glide phase, which have non-ballistic flight paths and can't generally be intercepted by anti-ballistic-missile countermeasures.
A couple years back the Navy asked congress for funding to demonstrate taking down an inbound saturation attack of 500+ missiles, probably as a deterrent to China. Congress declined.