
http://HTTPS://WWW.WHITEHOUSE.GOV/WP-CONTENT/UPLOADS/2017/12/NSS-FINAL-12-18-2017-0905-2.PDF

https://dam.gcsp.ch/files/doc/ssa-2022-issue22?_gl=1*1mzrz83*_ga*NDgwMzA0ODA2LjE2NDQzNDk0NTk.*_ga_Z66DSTVXTJ*MTY0NDM0OTQ1OC4xLjAuMTY0NDM0OTQ1OC4w

http://www.ecfr.eu/article/commentary_germanys_defence_commitments_nothing_but_paper_tigers