Image: Nuclear artillery test Grable Event - Part of Operation Upshot-Knothole

Description: GRABLE EVENT - 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. Frenchman's Flat, Nevada - Atomic Cannon TestHistory's first atomic artillery shell fired from the Army's new 280-mm artillery gun. Hundreds of high ranking Armed Forces officers and members of Congress are present. The fireball ascending.
Title: Nuclear artillery test Grable Event - Part of Operation Upshot-Knothole
Credit: This image is available from the National Nuclear Security Administration Nevada Site Office Photo Library under number CIC 0315864. This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required.
Author: Federal government of the United States
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