Yuriy Lisyanskiy (icebreaker)
Yuriy Lisyanskiy was a Soviet and later Russian icebreaker in service from 1965 until 2021. It was one of twelve Project 97A icebreakers built by Admiralty Shipyard in Leningrad in 1961–1971.
Yuriy Lisyanskiy in Kiel in September 1970
Dobrynya Nikitich-class icebreaker
Dobrynya Nikitich class, also known by its Soviet designation Project 97, is a diverse series of diesel–electric icebreakers and other icebreaking vessels built in the Soviet Union. In total, 32 vessels were built in various configurations for both civilian and naval service in the 1960s, 1970s and early 1980s, and several remain in service in Russia as of 2024.
Ivan Kruzenstern showing the rounded tumblehome hull of the Dobrynya Nikitich-class icebreakers
Vladimir Kavrayskiy, the sole Project 97B hydrographic survey vessel
Imeni XXV syezda KPSS, one of eight Project 97P icebreaking patrol ships built for the Soviet Navy and Soviet Border Troops
Otto Schmidt, the only Project 97N research vessel