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Part of Operation Upshot-Knothole, was a 15-kiloton test fired from a 280-mm cannon on May 25, 1953 at the Nevada Proving Grounds. 72 years ago the U.S. Army carried out its first and only nuclear ...

In Exercise Long Horn, the vast Army-Air Force mock war in Texas, the green-clad Aggressor forces had just seized a position deep behind the defenders’ lines and were massing for a new attack.

The US Army fired a nuclear weapon from its atomic cannon for the first and last time 69 years ago. The cannon, initially named "Able Annie," was later renamed "Atomic Annie." During the May 25, 1953, ...

72 years ago the U.S. Army carried out its first and only nuclear artillery test. The military actually made an atomic artillery shell, loaded it into a 280mm cannon and fired it. And it worked. Task ...