US Nuclear Testing History: From Trinity to Trump's Announcement (1945-Present)

Oct 31, 2025 02:14 pm CST

From the first nuclear detonation in 1945 to President Trump's recent announcement about resuming testing, this article chronicles the United States' extensive nuclear testing history spanning over seven decades. It details key milestones including the Trinity test, atmospheric and underground testing programs, international treaties limiting nuclear tests, and the shift to subcritical experiments after the 1992 testing moratorium.