https://jamestown.org/program/russias-military-boosts-electromagnetic-spectrum-capability/
https://novayagazeta.ru/articles/2021/09/22/vlasti-rossii-ne-smogut-pomeshat-vsemu-miru-uznat-pravdu
https://www.bbc.com/russian/features-48789008
https://www.bbc.com/russian/news-58637827
https://jamestown.org/program/zapad-2021-ends-peacefully-but-east-west-tensions-still-simmer/
https://novayagazeta.ru/articles/2021/09/14/pokhod-na-zapad-2021