Why do the 3rd Italian Navy use glass-bottomed battleships?

So they can look at the 2nd Italian Navy!
*[Sorry if you are offended]*

Edit: Grammar

My grandpa is 95 years old, and he doesn't even use glasses.

He drinks straight from the bottle.

New Italian Navy

Why does the new Italian Navy use glass bottoms in their ships?

So the can see the old Italian Navy.

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