https://www.aspistrategist.org.au/germanys-national-security-strategy-misses-the-mark/
https://www.crisisgroup.org/brf/europe/european-union-turkiye/b99-eu-and-turkiye-uniting-defence
https://publications.parliament.uk/pa/ld201719/ldselect/ldeucom/16/1603.htm
https://publications.parliament.uk/pa/ld201719/ldselect/ldintrel/53/53.pdf