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National Museum of Nuclear Science & History

New Trinity Test Footage

Bringing the Gadget to the top of the Trinity site

Manhattan Project scientists and officials convened on July 16, 1945 at 5:29:21 MT to witness the first atomic bomb test at the Trinity site. The explosion of the Gadget ushered in the atomic era. The Atomic Heritage Foundation is pleased to present a new series of videos of the Trinity test, courtesy of the Trinity Remembered website.

These videos include:


For more information on the Trinity test and the preparations for it, as well as all new photos courtesy of Trinity Remembered, read our articles on the 100-ton TNT test, the Jumbo device and the Trinity site itself. For interviews and reflections on the Trinity test, visit “Voices of the Manhattan Project.”