By A Mystery Man Writer
Nathan Hawkins, Icebreaker Wiki
Vyuga (icebreaker) - Wikipedia
The Dangerous Myth of an 'Icebreaker Gap' - Defense One, icebreaker
Sadko (1913 icebreaker) - Wikipedia
Lenin (1916 icebreaker) - Wikipedia
Top 5 Biggest Ice Breaker Ships in the World
Frej (icebreaker) - Wikiwand
USCGC Polar Sea (WAGB-11) - Wikipedia
Moskva (1959 icebreaker) - Wikiwand
Vaygach (nuclear icebreaker), Military Wiki
Pirates CSG Wikipedia page (image capture of 11/9/2023) - Pirates
Noosfera (icebreaker) - Wikiwand