Weight can be a valuable weapon, provided you use it correctly.

But in the Army, good meals are considered a valuable weapon.

An American space shuttle is launched, carrying a highly secret and valuable weapon.

But if you simply want my opinion, I'd say that the most valuable weapon of war is surprise.

Mitchell was a valuable weapon for the Giants on third down last season, but they managed fine without him the past two weeks.

This report was a valuable weapon in the hands of reformers.

And the first step was to search for the Chaos stone, which could prove to be the most valuable weapon of all.

If everyone has something then people with the least valuable weapon will have first pick and so on.

If so, ancient bacterial antibiotics could become valuable weapons against disease.

It could also become a valuable weapon for the Republicans.