https://www.brookings.edu/research/a-post-american-europe-and-the-future-of-u-s-strategy/
https://rusi.org/commentary/russia-clandestine-chemical-weapons-programme-bellingcat-exposure?utm_source=RUSI+Newsletter&utm_campaign=dacdefba55-EMAIL_CAMPAIGN_2020_09_10_09_43_COPY_01&utm_medium=email&utm_term=0_0c9bbb5ef0-dacdefba55-47711229
https://snyder.substack.com/p/the-war-in-ukraine-and-the-question?utm_source=substack&utm_medium=email#details
https://csis-website-prod.s3.amazonaws.com/s3fs-public/2023-06/230616_Bergmann_Transforming_Defense.pdf