National Security
From failed efforts to control nuclear explosives to safety lapses at weapons sites, we investigate the forces — and weaknesses — in national security.
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How hypersonic missiles — which travel at more than 15 times the speed of sound — are touching off a new global arms race that threatens to change the nature of warfare.
Nuclear Negligence
Published — July 16, 2018 Updated — October 29, 2018 at 3:49 pm ET
Plutonium is missing, but the government says nothing
Losses of civilian nuclear material are usually disclosed but when the government loses nuclear bomb ingredients it stays mum
Nuclear Negligence
Published — May 1, 2018 Updated — May 2, 2018 at 8:44 pm ET
Key sites proposed for nuclear bomb production are plagued by safety problems
Billions of dollars are at stake in a forthcoming Trump administration decision, but contender sites Los Alamos and Savannah River have struggled to handle plutonium safely
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