The city of Nagasaki was destroyed four years later by a plutonium bomb.

In 1945, a plutonium bomb was dropped on the Japanese city of Nagasaki.

Now Iran is playing with a plutonium bomb?

Because of the difficulties in making a working plutonium bomb, it was decided that there should be a test of the weapon.

He wished a plutonium bomb would fall on Nagasaki.

Pakistan, most analysts believed, had insufficient material and experience to make a plutonium bomb.

A plutonium bomb uses plutonium as the active material involved.

Gryylth might as well have been threatened with a plutonium bomb.

A plutonium bomb was dropped on Nagasaki three days later.

This work was crucial to the success of the plutonium atomic bomb.