https://docs.google.com/a/independent.gov.uk/viewer?a=v&pid=sites&srcid=aW5kZXBlbmRlbnQuZ292LnVrfGlzY3xneDo1Y2RhMGEyN2Y3NjM0OWFl
https://www.wilsoncenter.org/article/360deg-view-policies-needed-secure-shipping-chokepoints
https://www.al-monitor.com/originals/2023/11/how-russias-redut-pmc-forced-rival-wagner-withdraw-syria