Atomic Heritage Foundation

In partnership with the National Museum of Nuclear Science & History National Museum of Nuclear Science & History

The Trinity Test

The Trinity Test

100-ton TNT Shot

Date: 
Friday, July 10, 2015
Before the Trinity test, Manhattan Project officials realized that a calibration explosion using ordinary high-explosives would be useful.

Gallery

  • Completed assembly of the TNT tower

    Completed assembly of the TNT tower

  • First layer of high explosives on the TNT test tower

    First layer of high explosives on the TNT test tower

  • Stacking high explosives on the TNT test tower

    Stacking high explosives on the TNT test tower

  • Stacking high explosives on the TNT test tower

    Stacking high explosives on the TNT test tower

Jumbo

Date: 
Thursday, July 9, 2015
Jumbo was designed by Los Alamos lab to act as a failsafe device for the Trinity test explosion.

Gallery

  • Moving Jumbo

    Moving Jumbo

  • Jumbo on specially constructed flat-car

    Jumbo on specially constructed flat-car

  • Jumbo on freight car

    Jumbo on freight car

  • Jumbo suspended in tower

    Jumbo suspended in tower

  • Jumbo and collapsed tower after the Trinity test

    Jumbo and collapsed tower after the Trinity test

  • Jumbo and collapsed tower after the Trinity test

    Jumbo and collapsed tower after the Trinity test

  • Modern day Jumbo

    Modern day Jumbo

  • Inside Jumbo today

    Inside Jumbo today

Trinity Test -1945

Date: 
Wednesday, June 18, 2014
At 5:29:45 on July 16, 1945, "Gadget" exploded and the Atomic Age began.

Gallery

  • Trinity test shot .016 seconds

    Trinity test shot .016 seconds

  • Trinity test shot .025 seconds

    Trinity test shot .025 seconds

  • Trinity test shot .053 seconds

    Trinity test shot .053 seconds

  • Trinity test shot .1 seconds

    Trinity test shot .1 seconds

  • Trinity test shot 20 seconds

    Trinity test shot 20 seconds

  • Base Camp

    Base Camp

  • Base Camp

    Base Camp

  • McDonald Ranch headquarters

    McDonald Ranch headquarters

  • McDonald Ranch

    McDonald Ranch

  • Mess Hall

    Mess Hall

  • Optics Group headquarters

    Optics Group headquarters

  • Gadget test tower

    Gadget test tower

  • Gadget being hoisted

    Gadget being hoisted

  • Herb Lehr and Harry Daghlian transporting the plutonium core before the Trinity Test

    Herb Lehr and Harry Daghlian transporting the plutonium core before the Trinity Test

  • Slug ready for Gadget

    Slug ready for Gadget

  • Assembly of the Gadget

    Assembly of the Gadget

  • Lead lined tanks at Pope, NM

    Lead lined tanks at Pope, NM

  • Photographic shelter at Point P (10,000 W)

    Photographic shelter at Point P (10,000 W)

  • Camera at Campana Hill station

    Camera at Campana Hill station

  • Site B (Timing Control Center)

    Site B (Timing Control Center)

  • 1000 north after the test

    1000 north after the test

  • Aerial of the Trinity site crater

    Aerial of the Trinity site crater

  • Stacking high explosives on the TNT test tower

    Stacking high explosives on the TNT test tower

  • Completed assembly of the TNT tower

    Completed assembly of the TNT tower

  • Jumbo on train

    Jumbo on train

  • Herb Lehr with the Active Material

    Herb Lehr with the Active Material

  • Jumbo and collapsed tower after the Trinity test

    Jumbo and collapsed tower after the Trinity test

  • View from the Top of the Tower

    View from the Top of the Tower

  • 10,000 N Shelter

    10,000 N Shelter

  • Green Glass - Trinitite - at 200 W after the Test

    Green Glass - Trinitite - at 200 W after the Test

  • The Gadget in the test tower. Photo courtesy of Los Alamos National Laboratory.

    The Gadget in the test tower. Photo courtesy of Los Alamos National Laboratory.