https://media.defense.gov/2022/Oct/27/2003103845/-1/-1/1/2022-NATIONAL-DEFENSE-STRATEGY-NPR-MDR.PDF
http://www.euronews.com/2017/11/30/which-eu-countries-sell-arms-to-saudi-arabia-
https://media.defense.gov/2022/Mar/28/2002964028/-1/-1/1/_JIPA_MARCH-APRIL%202022.PDF/_JIPA_MARCH-APRIL%202022.PDF
https://www.un.org/disarmament/wmd/nuclear/npt/text