http://dip21.bundestag.de/dip21/btd/19/072/1907200.pdf
https://www.foreignaffairs.com/articles/afghanistan/2021-08-13/osama-bin-ladens-911-catastrophic-success?utm_medium=promo_email&utm_source=pre_release&utm_campaign=mktg_prospects_al_qaeda_lahoud&utm_content=20210814&utm_term=promo-email-prospects
https://rusi.org/event/dynamic-security-threats-and-british-army
https://www.bmvg.de/resource/blob/5636374/38287252c5442b786ac5d0036ebb237b/nationale-sicherheitsstrategie-data.pdf