Russia's SPARTA IV
"In 2023, SPARTA IV made at least six voyages between Russian military ports in Tartus, Syria, and Novorossiysk in the Black Sea," according to a report by RUSI, a British think tank dedicated to security and military topics. The SPARTA IV vessel is interesting in that it is owned by Moscow-based Oboronlogistics, a firm backed by the Russian Ministry of Defense. It is a modern, 122-meter-long ship for transporting heavy and dangerous cargoes. Two cranes on the vessel can carry things weighing up to 55 tons, so they can also load Russian T-90 tanks. Giangiuseppe Pili, one of the authors of the RUSI study, told Pravda that the U.S. Naval Institute and NATO Defense College's reports even mention a fleet of ships Russia uses to transport military equipment in the Black Sea.