https://www.inopressa.ru/article/02Feb2021/wp/readiness.html
https://www.inopressa.ru/article/02Feb2021/washtimes/nuclear.html
https://www.kommersant.ru/doc/4672060
https://www.gazeta.ru/army/2021/02/02/13464110.shtml
https://www.washingtonpost.com/opinions/2021/02/01/brown-berger-military-readiness/
https://m.washingtontimes.com/news/2021/feb/1/charles-richard-us-strategic-command-chief-nuclear/
https://www.ng.ru/dipkurer/2021-01-31/9_335_contract.html
https://www.gazeta.ru/army/2021/01/30/13461146.shtml