Capt.David Koltermann thought he knew what the Arcticwould be like.But he found that he had a lot to learn.“I knew the Arctic was kind of cold,and that it was surviv-able,” he said.“But I was not prepared for being cold all thetime.”Koltermann was attending Cool School.The program teaches Capt.David Koltermann thought he knew what the Arcticwould be like.But he found that he had a lot to learn. “I knew the Arctic was kind of cold, and that it was surviv-able, ” he said. “ But I was not prepared for being cold all the time. ”Koltermann was attending Cool School. The program teaches