Video - Submarines: Uncovering the Depths

Did you know that the first submarine was invented by Cornelius Drebbel in 1620? It was a wooden vessel that could submerge up to 15 feet underwater. Submarines were used during the American Revolutionary War to sneak up on enemy ships. In 1864, the Confederate submarine, the H.L. Hunley, became the first submarine to sink an enemy ship. Submarines played a crucial role in World War I and World War II, revolutionizing naval warfare. Today, submarines are used for military purposes, scientific research, and exploring the depths of the ocean. What other secrets lie beneath the surface?