Russian President Vladimir Putin announced yesterday that Russia had successfully conducted tests of the underwater nuclear drone known as "Poseidon." The tests mark a significant milestone in Russia's development of advanced military technology.

The Poseidon drone is designed to carry a nuclear warhead and can travel at great depths underwater, making it a formidable weapon in Russia's arsenal. Putin's announcement underscores Russia's continued efforts to modernize its military capabilities and maintain a strong strategic deterrent.