CCGS Henry Larsen is a Canadian Coast Guard Improved Pierre Radisson-class icebreaker serving in the Newfoundland and Labrador region and based in St John's, Newfoundland and Labrador. Entering servic
Henry Larsen in St. John's Harbour, 2010
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-
CCGS Henry Larsen
…CCGS Henry Larsen is a Canadian Coast Guard Improved Pierre Radisson-class icebreaker serving in the Newfoundland and Labrador region and based in St John's, Newfoundland and Labrador. Entering service in 1988, Henry Larsen is the fourth…
USCGC Healy (WAGB-20), at right, breaks ice around the Russian-flagged tanker Renda, 250 miles (400 km) south of Nome, Alaska, in January 2012.
A 17th-century Russian koch in a museum
City Ice Boat No. 1 at the Delaware River. The paddle steamer was built in 1837.
Yermak is considered the first true modern sea-going icebreaker.