The caretaker president of the Marshall Islands says it's unconscionable that the United States kept secret key information about its nuclear tests for decades.
New details reveal the US withheld information about the nuclear waste it left behind when the Marshall Islands gained independence, and the extent of the tests it carried out.
Now, a dome that contains hundreds of tonnes of nuclear waste is at risk of crumbling into the ocean.
But with Washington increasingly jittery about China, the small Pacific country's finding it might now have some leverage to get something done.
Jamie Tahana reports.