And now, one more thing to be afraid of: killer dolphins! The Ukranian navy has been training 5 dolphins to find mines and attack enemy divers with special dolphin knives. 3 of the dolphins apparently had enough of the Ukranian navy and escaped from a training excercise. There is speculation that the dolphins were trying to find mates. This news was a blow to the people of the Ukraine, who were unaware they had a navy.