B-29 Super Fortress : The Biggest and Heavy Bomber Aircraft Operational During WWII

B-29 Super Fortress : The Biggest and Heavy Bomber Aircraft Operational During WW II The Boeing B-29 Superfortress is a four-engine propeller-driven heavy bomber designed by Boeing which was flown primarily by the United States during WW II . It was one of the largest aircraft operational during WW II and featured state of the art technology. It was the single most expensive weapons project undertaken by the United States in WW II, exceeding the cost of the Manhattan Project by between 1 and 1.7 billion dollars.

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