http://uk.reuters.com/article/uk-eu-defence-juncker-idUKKBN1900V4
https://www.vrt.be/vrtnws/nl/2023/01/09/merksem-beschieting/?utm_source=POLITICO.EU&utm_campaign=ffb9068bea-EMAIL_CAMPAIGN_2023_02_23_12_35&utm_medium=email&utm_term=0_10959edeb5-ffb9068bea-%5BLIST_EMAIL_ID%5D
https://www.washingtonpost.com/world/europe/russian-submarines-are-prowling-around-vital-undersea-cables-its-making-nato-nervous/2017/12/22/d4c1f3da-e5d0-11e7-927a-e72eac1e73b6_story.html?utm_term=.e39e8fb9dafe
https://ec.europa.eu/commission/sites/beta-political/files/security_defence_and_foreign_policy.pdf