Under the Pentagon plan, the plutonium core of the weapons would be removed, put in special containers and transported to a storage site.

If the bomb had a plutonium nuclear core installed, it was a fully functional weapon.

It is said to be powered by a plutonium core.

One such project was to have focused on reducing the toxic waste produced when making the plutonium core of nuclear missiles.

"You don't have a plutonium core in this, do you?"

The plutonium core will be exactly the size of a croquet ball.

Harveyand the plutonium core had arrived earlier that morning at a ranch house a mile south of the shot.

Continued production of replacement parts, including the warheads' plutonium cores, would allow for necessary maintenance.

The only way to do so is to open them up and break the plutonium core of each bomb.

The first plutonium core went in a special C-54.