When Libyan rebels requested NATO air support to help them in their fight against Libyan leader Muammar Gaddafi, they might have gotten more than they bargained for, and might be paying for it for a long time to come. Several scattered reports released since the conflict began claim that some of the missiles NATO jets are using to disable Gaddafi's army are tipped with depleted uranium, a toxic heavy metal that could have long-term negative health effects on populations exposed to it.