Icebreakers

thumb|upright=1.5|USCGC Healy |USCGC Healy (WAGB-20), at right, breaks ice around the Russian-flagged tanker Renda, south of [[Nome, Alaska, in January 2012.]] An icebreaker is a special-purpose ship or boat designed to move and navigate through ice-covered waters, and provide safe waterways for other boats and ships. Although the term usually refers to ice-breaking ships, it may also refer to smaller vessels, such as the icebreaking boats that were once used on the canals of the United Kingdom.

1918 armed conflict

Spanish polar research vessel

Korean antarctic research ship

proposed icebreaker

classification of ship