Elugelab

[2] The land had palm trees and the surrounding marine had Heliopora coral growth which was home to Eurythoe complanata and Haplosyllis spongicola, most of which are now[when?]

The island "became dust and ash, pulled upward to form a mushroom cloud that rose about twenty-seven miles [43 km] into the sky."

The outcome of the test was reported to incoming president Eisenhower by Atomic Energy Commission Chairman, Gordon Dean, as follows: “The island of Elugelab is missing!”.

[10] According to Eric Schlosser, all that remained of Elugelab was a circular crater filled with seawater, more than 1 mile (1,600 metres) in diameter and "fifteen stories deep".

It was believed that Soviet scientists were able to sustain the development of the hydrogen bomb partly because they received U.S. research details from atomic spy Klaus Fuchs.