In 1954, a U.S. Air Force B-57B Canberra aircraft filmed Castle Bravo, the most powerful nuclear test ever carried out by the United States. The detonation took place at Bikini Atoll in the Marshall Islands and produced a fifteen megaton explosion that was about one thousand times stronger than the bomb dropped on Hiroshima. The fireball grew several miles wide, and the mushroom cloud rose more than forty miles into the sky. The unexpected strength of the blast spread dangerous radioactive fallo

The Moment of History on Instagram: "In 2020, Russia declassified and released full footage of the 1961 Tsar Bomba test — the most powerful nuclear explosion ever created by humankind. For decades, these images remained hidden in secret archives. Now we can finally see how the massive hydrogen bomb was prepared, transported, dropped from a bomber, and detonated high above Novaya Zemlya. The resulting fireball reached nearly 10 km in diameter, and the shockwave circled the Earth several times. Th