Atle-class icebreaker
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The Atle class comprises five icebreakers built for the Swedish and Finnish Transport Agency. The two Finnish ships, Urho and Sisu, are sometimes considered a separate class, but all are operationally
Icebreaker Atle
Sisu (1976 icebreaker)
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Sisu is a Finnish icebreaker of the Atle class built in 1976 in Helsinki.
Sisu (left) with her sister Urho