Japanese Never Expected 20,000G Rated Fuzes To Turn American Artillery Into A Meat Grinder Discover how a breakthrough in wartime science reshaped the battlefield when American engineers unveiled the proximity fuze in early 1943 ⚔️🎯. Explore how researchers spent years perfecting a miniature sensing device that could withstand enormous forces inside rapidly fired shells, allowing artillery rounds to explode close to fast moving aircraft. When the new technology was first used at sea, its sudden