The Barker's Mark VI is a type of naval mine developed by the British during World War II. It is designed to be deployed in water to damage or destroy enemy ships. The mine is notable for its ability to be triggered by the pressure of a ship passing over it, making it a significant threat in maritime warfare. This mine is part of a broader category of weapons known as naval mines, which have been used throughout history to protect coastlines and disrupt enemy naval operations. The Mark VI specifically reflects advancements in mine technology during the war, contributing to the strategic efforts of the Royal Navy.