HomeKey Topics – Office of Ocean and Polar Affairs (Option 2) hide Key Topics – Office of Ocean and Polar Affairs (Option 2) Office of Ocean and Polar Affairs February 28, 2019 Key Topics Ocean Affairs Polar Affairs Ocean Affairs Law of the Sea Maritime Security Marine Environment Marine Science Polar Affairs Arctic Region Antarctic Region
![U.S.-Canada Fourth Joint Mission To Map the Continental Shelf in the Arctic Ocean Views of the U.S.-Canada fourth joint mission to map the continental shelf in the Arctic Ocean in August and September 2011. The 2011 joint mission employed the flagship icebreaker from each country, the U.S. Coast Guard Cutter Healy and the Canadian Coast Guard Ship Louis S. St-Laurent (LSSL), with each ship performing different functions and one ship breaking ice for the other.[State Department photo/ Public Domain]](https://www.state.gov/wp-content/uploads/2019/02/Law-of-the-Sea-Hero-Image.jpg)
![A U.S. Coast Guard cutter guards a marine port. August 2003. [Pixaby]](https://www.state.gov/wp-content/uploads/2019/02/Maritime-Security-Hero-Image.jpg)
![A polar bear roams the Arctic tundra. November 2013. [Pixaby]](https://www.state.gov/wp-content/uploads/2019/02/Arctic-hero-image.jpg)
![Emperor Penguins guide their young across the frozen tundra of Antarctica. October 2008 [Pixaby]](https://www.state.gov/wp-content/uploads/2019/02/Antarctic-Hero-Image.jpg)