<i>Runit Dome</i> (or <i>Cactus Dome</i>), Runit Island, <a href="https://en.wikipedia.org/wiki/Enewetak_Atoll" class="extiw" title="w:Enewetak Atoll">Enewetak Atoll</a>. Aerial view. In 1977-1980 the crater created by the Cactus shot of <a href="https://en.wikipedia.org/wiki/Operation_Hardtack_(nuclear_test)" class="extiw" title="w:Operation Hardtack (nuclear test)">Operation Hardtack I</a> was used as a burial pit to inter 84,000 cubic meters of radioactive soil scraped from the various contaminated Enewetak Atoll islands. The Runit Dome was built to cover the material.
US Defense Special Weapons Agency
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