The Marinha Portuguesa, or Portuguese Navy, is the naval branch of the Portuguese Armed Forces. Established in the 12th century, it has a rich history of exploration and maritime power, particularly during the Age of Discoveries. The navy's primary mission is to ensure the security of Portugal's maritime interests and to participate in international peacekeeping operations. Today, the Marinha Portuguesa operates various vessels, including frigates, submarines, and support ships. It plays a crucial role in maritime surveillance, search and rescue missions, and humanitarian assistance. The navy also collaborates with other nations in joint exercises and operations to enhance global maritime security.