This WWII aviation program was more expensive than the Manhattan Project
A significant research and development undertaking during World War II was the Manhattan Project, which cost around $2 billion at the time. Adjusted for inflation, this amounts to approximately $36 billion in 2026. The B-29 Superfortress program, however, surpassed the Manhattan Project in terms of expense, being 50% more costly.
This program was deemed necessary for the war effort. Further details about these programs and their significance in the context of World War II are available from the source. The historical context of the war, including the involvement of China and other countries, is also discussed.
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