In 1953, the United States conducted a historic nuclear test known as “Upshot-Knothole Grable” at the Nevada Test Site. It marked the first and only time the U.S. fired a live nuclear artillery shell, demonstrating the potential of atomic battlefield weapons. The 15-kiloton shell was launched from a specially designed M65 “Atomic Cannon” and detonated roughly seven miles away, producing a massive mushroom cloud. While showcasing Cold War military power, the test also raised concerns about the pr

Learn how Nevada became America’s primary nuclear weapons test location at the National Atomic Testing Museum. From the Cold War to the Global War on Terror, the museum highlights the history of atomic testing and its relevance to national security and international stability . | Spirit of Nevada