WealthFacts on Instagram: "MUST SEE: 1958 Underwater Atomic Bomb Test (Operation Hardtack I) Witness the raw, terrifying power of the "Wahoo" test, a 9.3-megaton underwater atomic detonation conducted by the US military on May 16, 1958, as part of Operation Hardtack I. ​This footage captures the moment the Mk-7 warhead exploded 500 feet below the surface near the Enewetak Atoll, creating a massive column of radioactive water vapor rising over half a mile high. These tests were crucial for assess

Operation Hardtack: The U.S. Test That Shattered the Pacific