Ukraine unveiled its TLK-1000 underwater drone — capable of striking targets as distant as 2,000 km (1,240 miles) away — at the Defense Tech Valley 2025 exhibition in Lviv on Sept. 19. While the torpedo drone itself moves underwater, it has surface elements including antennas for receiving GPS signals, video and thermal imaging cameras, and communication equipment, reported Militaryn in February, when Ukraine President Volodymyr Zelensky first introduced the Toloka drone at the Support Ukraine summit. Designed for stealth operations just below the surface, it uses electric propulsion to evade detection and penetrate Russian defenses. Kyiv has repeatedly used maritime drones to inflict heavy losses on Russian assets in the Black Sea, according to Defense Express. It is 2.5 meters, its range 100 km, and its payload 20 to 50 kg of explosives.