B41 (MK-41)
![The Most Powerful And Deadliest Weapons In The World The Most Powerful And Deadliest Weapons In The World](https://puppieslove.co/wp-content/uploads/2020/05/224149-1.jpg)
This was one other thermonuclear warhead, that was developed by the USA through the Chilly Warfare. This was probably the most highly effective nuclear weapon created by the US, having 25 megatons of energy. The bomb was carried by the B-52 bomber and the B-47 Stratojet.