"R2D2" wrote in message ...


Since the US has more carriers than the rest of the world combined how
many more are necessary?


Here's an aswer for that:
https://www.quora.com/Why-does-the-U...craft-carriers

Basically, few of them are operational at any time: maintenance, training,
travel time, etc...

The bigger the ship, the more major weapons hits it can take...