Price had decided to take Gaz, Soap, and Ghost out for a fishing trip as a little vacation. They went out and fished in the ocean (legally)

Gaz was watching the net when it looked like something big was caught.

Gaz: "Sir. We got something. Something big." *He leaned over and looked at the net

Price: "Then pull it up, quickly!"

Gaz quickly pulled the net up. What was caught in the net wasn't a thing it was a human. Kind of. It was a siren.

Price: "What the hell..."