The Douglas DC-3 is a twin-engine, propeller-driven aircraft introduced in 1935 by the Douglas Aircraft Company. Renowned for its durability, efficiency, and versatility, it revolutionized air travel, enabling faster, safer, and more comfortable passenger and cargo transport. Its military variant, the C-47 Skytrain, played a crucial role in World War II. The DC-3 remains a symbol of aviation history, with some still in operation today due to its robust design.