Head

Gator bubbles over there.

We've got a gator back over here.

Yeah.

How big is he?

Oh, he's big.

Is that a frog?

The lake is actually alligator infested.

Alligators, water moccasins.

A sonar is a sound signal.

It bounds off the model.

It comes back to a transducer.

That then turns that sound signal into an image.