https://securityconference.org/assets/user_upload/MunichSecurityReport2020.pdf
https://www.aspistrategist.org.au/from-the-bookshelf-deterring-armageddon-a-biography-of-nato/
https://dam.gcsp.ch/files/doc/policy-brief-4-future-of-neutrality?_gl=1*8d0gl7*_ga*MTA4MDQzNTMyMS4xNjc5NzU3MDMz*_ga_Z66DSTVXTJ*MTY3OTc1NzAzMi4xLjAuMTY3OTc1NzAzMi4wLjAuMA..
https://media.defense.gov/2022/Mar/28/2002964702/-1/-1/1/NDS-FACT-SHEET.PDF