Declassified Photos the Government Never Wanted You to See

The First Ever Nuclear Device

Black and White photo of "Jumbo" a nuclear bomb set off as a part of the Trinity Project in 1945.
Source: CIA

This looks like it could just be a scene in a factory, but it’s far more historic than that. This is “Jumbo”—the nickname given to the first nuclear bomb ever detonated as part of the Trinity Project in New Mexico in 1945.