
https://www.wilsoncenter.org/article/mapping-undersea-infrastructure-attacks-baltic-sea

https://www.crisisgroup.org/middle-east-north-africa/gulf-and-arabian-peninsula/iran-saudi-arabia/impact-saudi-iranian

https://theconversation.com/berlin-blockade-75-years-on-how-russian-occupation-tactics-in-ukraine-echo-soviet-actions-in-east-germany-207875