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 19 kilotons of TNT. "Fat Man", the bomb dropped on Nagasaki was identical in design to the "Gadget."
A portion of the Alamogordo Bombing Range was chosen as the site for the Trinity Test.
Active material for the Trinity device is brought to the McDonald Ranch.
Sgt. Herbert Lehr delivering the plutonium core.
The Gadget at the base of the 100 foot test tower.
The Gadget atop the test tower.
Jumbo was designed to contain the plutonium if the bomb did not detonate properly.
The early fireball at .016 seconds.
The early fireball at .025 seconds.
The early fireball at .053 seconds.
The early fireball at .062 seconds.
The fireball at .090 seconds.
The mushroom cloud starts to form at 2.0 seconds.
The mushroom cloud starts to form at 3.0 seconds.
The mushroom cloud starts to form at 4.0 seconds.
The mushroom cloud starts to take its familiar shape at 7.0 seconds.
The famous mushroom cloud at 12 seconds after detonation.
In September 1945, many particpants returned to the Trinity Test site for news crews.
Oppenheimer and Groves examine the remains of one the bases of the steel test tower.
This photo was taken 28 hours after the explosion.