A man-sized nuclear shield is all the proof I need," and he held out his large hand.

The case for placing an American nuclear shield over Romania or Slovenia may be even harder to make.

But investing money in a new nuclear shield?

It is the one nuclear shield that we have.

That means the Soviet Union would also have to equip itself with a nuclear shield, which means an eternal, never-ending arms race.

Given this number of warheads on each side, it is possible, at least in theory, to create a space-based nuclear shield.

He said Mr. Bush knows that current technology cannot produce an impermeable nuclear shield any time soon.

Infinitely too sensitive to be shared, even in the most vague terms, with the general public, for whom the nuclear shield remains the ultimate defence.

To show we mean business, we should go all-out now on building our nuclear shield.

That is, the United States would have a nuclear sword and a space-based nuclear shield.