Trinity Test Maps

On July 16, 1945, at 5:29:45 AM, a light "brighter than a thousand suns," filled the valley. As the now familiar mushroom cloud rose in to the sky, Oppenheimer quoted from Hindu scripture, the Bhagavad-gita, "Now I am become death, the destroyer of worlds." The world had entered the nuclear age.

The "Gadget" had a yield equivalent to nearly 21 kilotons of TNT. "Fat Man", the bomb dropped on Nagasaki was identical in design to the "Gadget."