Halo boats in multiplayer and campaign?

You have all seen Halo battles in air and ground but what about water?
There should be boats with mounted machine guns and other weapons. The boat can carry other Spartans as well, during both Multiplayer and Campaign, and there would be epic Halo battles!

It would be rare to see boats in Halo, but it would be interesting to seeā€¦

Well in the radios of Halo Reach, they mentioned Reach having a wet navy. And they did have aircraft carriers on halo 3.

But small insertion assualt boats would make since