Fishing Boat Dumps Tank In Ocean, Then Coast Guards Find Out Why

Beneath the surface, everything was quiet. The ocean floor stretched wide and empty—until the tank came into view. Covered in rust, its turret pointed upward like a relic from the past. Mason swam slowly around it. No weapons. No danger. Just something eerie about how neatly it sat. He reached out, touched the hull, and noticed a strange device blinking nearby.