http://www.rssboard.org/rss-specification 720 XTF Search Results (expand=subject;f1-subject=Events (Historical);f2-subject=Castle Bravo site) http://ecuip-xtf.lib.uchicago.edu/xtf/search?expand%3Dsubject;f1-subject%3DEvents%20(Historical);f2-subject%3DCastle%20Bravo%20site Results for your query: expand=subject;f1-subject=Events (Historical);f2-subject=Castle Bravo site Thu, 01 Jan 1970 12:00:00 GMT Castle Bravo site. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/Bravo_Site_D_92_3/bravo_Site_D_92_3.dc.xml The site of the test of the first hydrogen bomb by the United States on March 1, 1954. This was the most powerful nuclear device ever detonated by the United States. This photograph shows the equipment used to the develop the test site, and the dirt foundation for the test structure. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/Bravo_Site_D_92_3/bravo_Site_D_92_3.dc.xml Mon, 01 Mar 1954 12:00:00 GMT