https://www.nato.int/nato_static_fl2014/assets/pdf/2021/6/pdf/210611-pr-2021-094-en.pdf
https://ukandeu.ac.uk/aukus-lessons-of-policy-objectives-and-secrecy/?mc_cid=b898c1471c&mc_eid=815b1928ec
http://www.ecfr.eu/page/-/Keeping_Europe_Safe_After_Brexit2.pdf
https://www.geostrategy.org.uk/britains-world/unseen-but-vital-britain-and-undersea-security/?utm_source=newsletter&utm_medium=email&utm_campaign=09%2F03%2F2023