Dolphins help locate rare torpedo [1]

http://www.redorbit.com/news/science/1112851052/torpedo-found-by-us-navy-dolphins-052013/ [2]

This article doesn't really explain why the dolphins were able to locate a non-functional, domestic, non-conventional antique torpedo. They are really our protectors from other dimensions and this is but one sign of the coming disarament and the end to war.