Bear Snacks on Sub
"It took a bite out of the rudder and, finding it inedible, stayed around the area of broken ice around the rudder for a while, apparently thinking a seal (the bears favorite food) might use it as an air hole. The bear finally left when he heard the noise of an approaching helicopter. When an officer first looked around outside via the periscope, he noted that his sub was being stalked by a hostile polar bear. The periscope cam was turned on, and these photos of a polar bear chewing on the subs rear rudder resulted. The damage was said to be minor"