This dome can be found on Runit Island on the Enewetak Atoll. The Marshall Islands is a collection of 29 atolls across 1,156 islands. At a Glance. On an atoll in the far-flung west of the Marshall Islands, halfway between Australia and Hawaii, sits "the dome". The Marshall Islands were ground zero for U.S. nuclear testing. During the period between 1948 and 1958, the United Stated conducted all sorts of nuclear tests in the northern parts of the Marshall Islands. Runit, a tiny outpost of the Marshall Islands, is surrounded by shimmering blue lagoons, but Marshall Island locals regard it as ground zero and a “a big monument to a giant American f**k-up”. A giant, concrete dome filled with radioactive waste looms above Runit Island, and it’s leaking. From 1946 to 1958, it was a proving ground for America’s nuclear arsenal. Radioactive debris is covered by a concrete dome. The Marshall Islands in the central pacific ocean were once an idyllic tropical destination before they were hit with more than 60 nuclear bombs as part of US testing between 1946 and 1958. Locals call it “The Tomb”. This stretch of islands is one of the most radiated pieces of land in the world. Marshall Islands: Dome Covering Nuclear Waste Starting to Crack Marshall Islands – Science fiction writers have made countless plot lines out of an earth destroyed by mankind’s greed and lack of foresight. In 1983, the Marshall Islands signed a compact of free association with the United States, granting the island nation the right to govern itself. In the Marshall Islands, locals have a nickname for the Runit Dome nuclear-waste site: They call it 'The Tomb'. For years, American authorities have asserted they hold no responsibility for Runit Dome, a concrete-capped waste site in the Marshall Islands, where the … The Runit Dome in the Marshall Islands is a hulking legacy of years of US nuclear testing. Now locals and scientists are warning that rising sea levels caused by … The fight for nuclear justice continues in the Marshall Islands where people have been gathering to call for the US to atone for its legacy of testing. A massive concrete dome stands beside a giant bomb crater containing tonnes of nuclear waste including about 400 lumps of plutonium. Nuclear Testing in on the Bikini and Enewetak Atolls. More than 50,000 people live on the islands. The huge dome built over top of a crater left by one of the nuclear nuclear tests over Runit Island in Enewetak in the Marshall Islands As nuclear explosions go, … The Runit Dome holds the radioactive waste produced by the nuclear bombs detonated on the Marshall Islands between 1946 and 1958.