20 September 2023 MDSU-1 Dives the Arctic with U.S. Coast Guard BEAUFORT SEA - Navy Divers assigned to Mobile Dive and Salvage Unit (MDSU) 1 trained in one of the most remote parts of the world this summer – under the polar ice cap of the Arctic Circle. Chief Navy Diver Zachary Hanson, MDSU-1 master diver and his team got underway aboard the icebreaker...