The Tupolev TB-3 was a Soviet heavy bomber designed in the 1930s. It was notable for being one of the world's first all-metal bombers and featured a distinctive high-wing design. The aircraft could carry a significant payload, making it effective for strategic bombing missions during its operational period. First flown in 1932, the TB-3 played a crucial role in the early years of World War II. It was used for various purposes, including bombing, transport, and even as a platform for towing gliders. Despite its age, the TB-3 remained in service until the late 1940s, showcasing its durability and versatility.