Operation Hardtack 1 Nuclear Test

Operation HARDTACK High Altitude Tests

26K views · 360 reactions | Operation Hardtack I, B-57 Canberra flying near a nuclear explosion, 1958 | Militaria | Facebook

On June 8, 1958, during Operation Hardtack I, the Los Alamos Laboratory and the U.S. Department of Defense conducted an underwater nuclear test known as the “Umbrella” event at Enewetak Atoll. 💥🌊 Detonated at a depth of 150 feet, the explosion had a yield of 8 kilotons, producing a massive water column and shockwave captured in rare footage. This test was part of a series aimed at studying the effects of nuclear detonations in shallow water, crucial for understanding underwater weapon impact a