7."Only a week after Ukrainian sea drones made history by successfully taking down Russian helicopters, another historical first as our homegrown naval drones are now launching their own FPV drones, destroying Russia's air defense units," the government agency said on social media.As a result of the attack on Jan. 6, two Russian anti-missile Pantsir-S1 systems and one OSA anti-aircraft vehicle were reportedly damaged or destroyed in the occupied part of Ukraine's southern Kherson Oblast.The strikes were carried out by Ukraine's Navy, which released a video of the attack against one of the Pantsir systems. The Kyiv Independent could not establish the extent of damage dealt to Russian air defenses.A Pantsir S-1 has an estimated price tag of around $15 million. One such system is suspected to be behind the mistaken downing of an Azerbaijani plane on Dec.