12K views · 291 reactions | The Secret Ship that Hid One of the Biggest Weapons of WW2 | Dark Documentaries | Facebook

Why Radar Proximity Fuse Was the Most Effective “Secret” American Weapon Of The War Discover the untold story of World War II's most effective secret weapon—the proximity fuse—a revolutionary "smart" munition that increased artillery effectiveness by 1,000% and saved hundreds of thousands of Allied lives. This comprehensive historical documentary explores how British scientists and American engineers created the world's first thinking weapon, a miniature radar system compressed into artillery sh

In 1994, Christine Kuehn received a letter that uncovered the past her father tried to hide: her grandfather, Otto Kuehn, had been a Nazi spy and the only person tried and convicted for the bombing of Pearl Harbor. David Martin talks with Kuehn about her German family conducting World War II-era espionage, a tale she recounts in her new book, "Family of Spies." | CBS Sunday Morning