The Trinity Test

The Trinity Test

100-ton TNT Shot

Before the Trinity test, Manhattan Project officials realized that a calibration explosion using ordinary high-explosives would be useful.


Jumbo was designed by Los Alamos lab to act as a failsafe device for the Trinity test explosion.

Trinity Test -1945

At 5:29:45 on July 16, 1945, "Gadget" exploded and the Atomic Age began.