Correct answer: It is widely used by the american military in middle-east. They use depleted uranium weapons. These weapons function as normal weapons with except that they are not in the magnitude or intensity as a full scale atom bomb. The half life of uranium is around 4 billion years, so where ever they use it, those people and all their future generations are pretty much screwed. I read this in my campus news paper and I am not sure how accurate this is, however, this brings serious issued into consideration. the validity, truth and reason for the war. Not sure if they will use such weapons on this side of atlantic for any reason.