An image of the Russian salvage ship the Kommuna in crosshairs, as shared by the Defense of Ukraine X account on April 21, 2024.Defense of Ukraine/XUkraine says it hit another of Russia's Black Sea Fleet ships, setting it ablaze.The Kommuna, Russia's oldest serving ship, was struck in Crimea, a Ukrainian spokesperson said.The 111-year-old Kommuna has historical value — but is also of practical use, one expert said.Ukraine says it has struck another of Russia's Black Sea Fleet ships — this time, its oldest active-duty naval vessel.Ukrainian navy spokesperson Dmytro Pletenchuk told Ukrainska Pravda that the ship was set ablaze at the port city of Sevastopol, in Russia-occupied Crimea, in an attack on Sunday."The type of damage caused to the ship is being established, but early reports indicate that the ship is not fit to perform missions," Pletenchuk told the paper.