https://www.whitehouse.gov/wp-content/uploads/2021/03/NSC-1v2.pdf
http://www.ecfr.eu/page/-/Keeping_Europe_Safe_After_Brexit2.pdf
http://intersectionproject.eu/article/security/political-renewal-russian-army
https://ukandeu.ac.uk/explainers/integrated-review-refresh-2023/