The limitations of the SS-N-1 Missile were clear by 1965 and the Soviet navy decided to convert the ships to a more general purpose / ASW role.
The 1901 expedition, accompanied by Henry Pearson's son Hetley, explored at various places from Kildin Island to Svyatoy Nos, visited Kanin Peninsula on the eastern side of the White Sea, and made a brief landing on Korga Island at the northeast corner of Kanin Peninsula.