HMS Gannet was a British naval vessel launched in 1878, designed as a composite screw sloop. It featured a wooden hull reinforced with iron, allowing for improved durability and speed. The ship was primarily used for various roles, including patrol and training, and was equipped with both sails and steam power. Throughout its service, HMS Gannet played a significant role in the Royal Navy, participating in numerous missions and exercises. The ship was decommissioned in 1909 and is now preserved as a museum ship, showcasing maritime history and the evolution of naval technology during the late 19th century.