Dr Sam Willis spoke with Basil Germond, Professor of International Security in the Department of Politics, Philosophy and Religion and Co-Director of the University research institute Security Lancaster. Commander Caroline Tucket provides a fascinating legal perspective on seapower in the Black Sea, in particular looking at the imposition of sanctions and the legal status of the wreck of the Russian warship Moskva, sunk in 2022. A serving naval officer, Caroline is also a member of Navy Legal. To provide an historical perspective Professor Andrew Lambert explores the history of naval operations in the Black Sea during the Crimean War (1835-6). Andrew Lambert is Laughton Professor of Naval History in the Department of War Studies at King's College, London.