Black Sea regional security is an integral part of European security. At a time when the US is leaning towards withdrawing from Ukraine and the Black Sea, Europe, the UK, and Turkey need to do more and cooperate closely to ensure Ukraine’s statehood and thwart Russian domination of the Black Sea, thereby directly challenging European security. The discussion will focus on how key Western actors’ policies towards the Black Sea are changing and whether their policies are likely to further converge or diverge from one another.