وتتمثل إحدى القضايا المتصلة بهذا الأمر في قيام البحرية في عمل، لم تنكره، باستخدام قذائف، في بييكس، تحمل مواد من اليورانيوم المنضب.
While there is still much scientific debate regarding the dangers of depleted uranium, some researchers believe that it is highly dangerous (and, for example, that it is largely responsible for the unusual heath problems suffered by veterans of the 1991 Persian Gulf War) and that it may be responsible for the cancer rate on Vieques which, by some estimates, is between 25 and 50 per cent higher than in the rest of Puerto Rico.35