What is the half-life of tritium, a key radioactive component of U.S. nuclear weapons?
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Tritium has a half-life of 12.5 years. In May 2013, the U.S. effectively lost the capability to enrich the radioactive substance needed to produce tritium. A 2014 law requires the Department of Energy to submit a remedy plan to Congress by June 30, 2014, but the DOE has not yet done this.
DocumentationTritium Production
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