History: Mushroom cloud of the thermonuclear device code-named: Castle Bravo, which was the most powerful nuclear device developed by the United States and second largest developed in history (Marshall Islands - March 1st, 1954) [1200 x 814]

https://i.redd.it/u8kuwpv25ch31.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/cscacy/mushroom_cloud_of_the_thermonuclear_device/?utm_source=ifttt