Which breakthrough helped the United States win the battle of Midway, stopping Japan’s advance in the Pacific?

U.S. codebreakers deciphered important parts of Japan’s naval communications and learned that Midway was the target of an upcoming attack. This allowed the U.S. Navy to prepare an ambush and defeat the Japanese fleet. The key breakthrough was breaking Japanese military codes, not developing faster ships or relying on long-range tracking planes.

AI-written and checked against the verified answer.