Why did the US drop Little Boy, the untested Uranium bomb, first, rather than the plutonium-based Fat Man that been proven functional during the Trinity test? - Quora
![A full-size Mock up of the Plutonium Atomic Bomb "Fat Man" dropped on Nagasaki in The Nagasaki Atomic Bomb Museum, Japan Stock Photo - Alamy A full-size Mock up of the Plutonium Atomic Bomb "Fat Man" dropped on Nagasaki in The Nagasaki Atomic Bomb Museum, Japan Stock Photo - Alamy](https://c8.alamy.com/comp/D2718D/a-full-size-mock-up-of-the-plutonium-atomic-bomb-fat-man-dropped-on-D2718D.jpg)
A full-size Mock up of the Plutonium Atomic Bomb "Fat Man" dropped on Nagasaki in The Nagasaki Atomic Bomb Museum, Japan Stock Photo - Alamy
![Spot-On! – Understanding the Trinity Test | The National Atomic Testing Museum and the NTSHF - Las Vegas, NV Spot-On! – Understanding the Trinity Test | The National Atomic Testing Museum and the NTSHF - Las Vegas, NV](https://nationalatomictestingmuseum.org/wp-content/uploads/2020/09/trinity-1-web.jpg)