original_query: What are the names of the icebreakers mentioned in the text?
query: What are the names of the icebreakers mentioned in the text?
answer: The text mentions numerous icebreakers.  A complete list is too long to include here, but examples include: Aurora Australis, Nuyina, Eisvogel, Röthelstein, Kapitan A. Radzhabov,  many Canadian Coast Guard and Navy icebreakers (listed by class and individual name),  Xuě Lóng, Xuě Lóng 2, Haibing 721, Haibing 722, Haibing 519, Haibing 723, and many more from various countries.