https://jamestown.org/program/the-realities-of-russian-military-shipbuilding-part-two/
https://novayagazeta.ru/articles/2021/10/07/padenie-krymskoi-imperii
https://www.ng.ru/armies/2021-10-07/2_8272_fleet.html
https://carnegie.ru/commentary/85526
https://ru.krymr.com/a/vitaliy-portnikov-krym-elita-v-naruchnikakh/31495788.html
https://jamestown.org/program/the-realities-of-russian-military-shipbuilding-part-one/
https://www.rbc.ru/newspaper/2021/10/04/61571a279a79478e0bc0b011