In this episode, we focus on the naval warfare of World War II, tracing the decisive shift from battleship-centered fleets to carrier-led naval power. We explore pivotal Pacific battles such as Coral Sea, Guadalcanal, and the Solomon and Gilbert Islands campaigns, highlighting the USS Enterprise’s resilience, the brutal night surface actions of “Iron Bottom Sound,” and the strategic struggle to hold Henderson Field. The episode also examines the Battle of the Atlantic, where convoy warfare, submarines, radar, and codebreaking shaped the fight for control of vital sea lanes. Together, these stories reveal how aircraft carriers, naval aviation, radar, proximity fuzes, and evolving anti-submarine tactics transformed maritime combat and redefined the future of sea power.