FILE - This undated file photo shows the Los Alamos National laboratory in Los Alamos, N.M. Consultants are warning that every option considered by the U.S. government to ramp up production of the plutonium cores that trigger nuclear warheads will have cost and scheduling risks. The findings are part of a study done by the Institute of Defense Analyses that was delivered to Congress on Tuesday, April 17, 2019. The National Nuclear Security Administration has proposed splitting the work between Los Alamos National Laboratory in New Mexico and the Savanna River Site in South Carolina. (The Albuquerque Journal via AP, File)
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