Sworn to Secrecy: Secrets of War — Season 1, Episode 3: Breaking the Japanese Code

Episode synopsis

The story of America’s code-breaking efforts against seemingly impenetrable secret Japanese military and diplomatic communications. The heroic struggle of Army code-breakers, headed by William Friedman, and the Navy’s secret “on-the-roof-gang” to help win the Battle of the Pacific.

About Sworn to Secrecy: Secrets of War

Secrets are divulged and stories of espionage, conspiracy, murder, sabotage and greed are uncovered.

More episodes from Season 1

• E1German Intelligence in WWII
• E2British Secret Intelligence in WWII
• E4Weapons of the Shadow War
• E5Women Spies in World War II
• E6The Cambridge Five
• E7Stalin's Spies
• E8The O.S.S.
• E9Roosevelt's Spymasters
• E10D-Day Deceptions