https://www.eca.europa.eu/Lists/ECADocuments/REW19_09/REW_EU-defence_EN.pdf
https://docs.house.gov/meetings/JU/JU05/20220517/114776/HHRG-117-JU05-Wstate-LynnB-20220517.pdf
https://www.nato.int/en/about-us/official-texts-and-resources/official-texts/2008/04/03/bucharest-summit-declaration
https://www.bruegel.org/sites/default/files/2023-05/PB%2010%202023.pdf