https://www.navalnews.com/naval-news/2023/02/russian-carrier-kuznetsov-leaves-dry-dock-at-last/
https://www.thedrive.com/the-war-zone/russias-disaster-plagued-aircraft-carrier-finally-left-its-drydock
https://en.wikipedia.org/wiki/PD-50
https://en.wikipedia.org/wiki/Russian_aircraft_carrier_Admiral_Kuznetsov
https://en.wikipedia.org/wiki/West_Cork_oil_spill
https://en.wikipedia.org/wiki/Kiev-class_aircraft_carrier
https://en.wikipedia.org/wiki/P-500_Bazalt
https://en.wikipedia.org/wiki/Montreux_Convention_Regarding_the_Regime_of_the_Straits#Aircraft_carriers
http://www.aero-news.net/index.cfm?do=main.textpost&id=fdc76a31-7ce7-443d-b5ae-8addbc05c0f1