TIL The B-29 bomber program was the most expensive project of WWII, costing roughly ~50% more than the entire Manhattan Project

https://en.wikipedia.org/wiki/Boeing_B-29_Superfortress
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1ga95fe/til_the_b29_bomber_program_was_the_most_expensive/