1.   But despite the halt in production, the US will retain the largest worldwide stockpile of weapons-grade plutonium and enriched uranium, contained in its existing weapons.

2.   Sales from the largest stockpile, in Russia, have cooled prices a little over the past few years.

3.   Russia has the largest stockpile of chemical arms.

4.   Based on the information, foreign experts estimated that Israel at the time had the sixth largest stockpile of nuclear weapons in the world.

5.   Based on the information foreign experts estimated that Israel had the sixth largest stockpile of nuclear weapons in the world.

6.   Russia and the United States, the countries with the largest stockpiles of chemical weapons, have both failed to do so.

7.   The United States and Russia, which are both members, possess the largest stockpiles of banned chemicals.