https://www.radiosvoboda.org/a/news-dezhdepartament-navalny/31016779.html
https://nvo.ng.ru/gpolit/2020-12-24/1_1123_gpolit3.html
https://nvo.ng.ru/gpolit/2020-12-24/1_1123_gpolit5.html
https://www.wsj.com/articles/the-u-s-should-stop-underestimating-russian-power-11608746239?page=1
https://www.radiosvoboda.org/a/Zbroja-rosija/31015413.html
https://www.inopressa.ru/article/23Dec2020/welt/nawalny.html
https://ru.krymr.com/a/rossiya-kosmos-sfera-boevyh-deystviy-kosmicheskoe-oruzhie/31015839.html
http://www.kasparov.ru/material.php?id=5FE3A092D0AC8