https://www.sipri.org/sites/default/files/European-Union-weapons-mass-destruction.pdf
https://rusi.org/explore-our-research/publications/commentary/giving-raf-typhoons-ukraine-would-be-very-expensive-symbolic-gesture
https://rusi.org/commentary/defence-sector-corruption-underestimated-foe-times-crisis
https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX:52024DC0075