Icebreakers
Three of the U.S. Coast Guard’s icebreakers are homeported in Seattle: the Polar Sea and Polar Star (both heavy icebreakers and research vessels), and the Healy (a medium icebreaker used mainly for research).
Three of the U.S. Coast Guard’s icebreakers are homeported in Seattle: the Polar Sea and Polar Star (both heavy icebreakers and research vessels), and the Healy (a medium icebreaker used mainly for research).