Add Yahoo as a preferred source to see more of our stories on Google. 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.

The nuclear cannon dubbed “Atomic Annie” fires a 280 millimeter nuclear artillery shell packing 15 kilotons of explosive force, in this breathtaking image from 1953’s Operation Upshot-Knothole in ...

“The U.S. Army has a rifle — they call it a rifle, I would call it a cannon; it’s attached to the front of a tank or a moving vehicle,” Bloomberg said on Tuesday’s Morning Joe on MSNBC. “It shoots a ...

The M65 atomic cannon was a Cold War artillery gun built to fire nuclear shells over long distances. This documentary looks at how the U.S. Army created the weapon, moved it with heavy tractors, and ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. North Korea has warned that American actions have forced it to "bolster ...

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.