Image Credit Source:https://www.atomicheritage.org/history/hydrogen-bomb-1950 Image Credit: Federal government of the United States Used By:WAND Women's Action for New Directions Submitted By:WAND Women's Action for New Directions Added On: 08/04/2014 at 8:00 PM EDT Image Caption: The Marshall Islands were devastated by the U.S. nuclear weapons tests held in the Pacific Proving Grounds. Decades of tests poisoned the atolls, including Castle Bravo, the most powerful and destructive test by the U.S. Owner Name / Source: (From Wikimedia) Federal government of the United States URL of Owners Page:http://commons.wikimedia.org/wiki/File:Castle_Bravo_007.jpg Image Source: ImagesAttr License:License Unknown Notes: This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that personâ??s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.