The Arctic is pretty big and there aren't many research boats. There are only a few dozen icebreakers in the world. https://news.usni.org/2013/07/23/u-s-coast-

The Arctic is pretty big and there aren't many research boats. There are only a few dozen icebreakers in the world. https://news.usni.org/2013/07/23/u-s-coast-guards-2013-reivew-of-major-ice-breakers-of-the-world https://news.usni.org/2013/07/23/u-s-coast-guards-2013-reive...