https://jamestown.org/program/the-eu-russia-antagonism-stretches-from-ukraine-to-the-arctic/
https://www.bbc.com/russian/media-58806474
https://www.ng.ru/armies/2021-10-07/2_8272_fleet.html
https://www.rbc.ru/newspaper/2021/10/07/615da0ca9a7947e2cd6453c1
https://www.ng.ru/armies/2021-09-21/1_8257_army.html
https://www.ng.ru/world/2021-09-20/1_8256_west.html