https://dserver.bundestag.de/btd/20/057/2005700.pdf
https://www.brookings.edu/articles/a-deterrence-response-monitoring-capability-for-the-us-department-of-defense/
https://www.ifri.org/sites/default/files/atoms/files/d._puhl_vfa_33_deutschland_die_zeitenwende_und_die_zukunft_de.pdf