Russia is developing an autonomous nuclear torpedo called the Poseidon that Russian President Vladimir Putin says can evade all existing defenses. Experts say if it works, it would give Moscow a new way to target NATO countries and military bases. The torpedo will be equipped on submarines but what happens after it is launched is debated. WSJ explains why Poseidon has been shrouded in mystery and misinformation, how the nuclear torpedo could work and why Russia wants it. Chapters: 0:00 Russia’s new nuclear torpedo 0:31 Poseidon, explained 1:38 Warhead 3:05 How Poseidon deters 4:40 Challenges Equipped Equipped examines military innovation and tactics emerging around the world, breaking down the tech behind the weaponry and its potential impact. #Russia #Military #WSJ