And that "Fat Man" that fell on Nagasaki, Japan on August 9, 1945. With that bombing, we Americans finally scared the Japanese straight. They surrendered and they never messed with us again. People don't mess with you when they're scared of you.
Would you like to see the B-29 aircraft that dropped "Fat Man" on Nagasaki up close and in person? If so, here's where to go:
https://www.nationalmuseum.af.mil/