The DC-3, or Douglas DC-3, is a propeller-driven aircraft that first flew in 1935. It was designed for commercial aviation and quickly became popular for its reliability and efficiency. The aircraft could carry passengers and cargo, making it a versatile choice for airlines and military operations during World War II. With a capacity of around 21 to 32 passengers, the DC-3 revolutionized air travel by making it more accessible. Its robust design and performance led to its use in various roles, including cargo transport and military missions, solidifying its place in aviation history alongside other iconic aircraft like the Boeing 747.