The PBY Catalina is a versatile flying boat developed by the United States in the 1930s. It was primarily used during World War II for reconnaissance, anti-submarine warfare, and search and rescue missions. Its distinctive design features a high-wing configuration and twin-engine layout, allowing it to operate from both land and water. With a wingspan of over 100 feet, the PBY Catalina could carry a crew of up to 10 and was equipped with various armaments, including machine guns and bombs. Its long-range capabilities and ability to land on water made it a valuable asset for the U.S. Navy and other allied forces during the war.