American hegemony over the seas is over in case of a real conflict

These Poseidon can be travelling for months, years, or even waiting at deep sea level.

A giga explosion that the world has never seen could wipe out an entire American carrier strike group in the Pacific, with 0 dead civilians.

Soon there will be 30 Poseidons patrolling the seas

And who knows how many Chinese Poseidons too... another 50?