Energy Dept. Finishes Refurb of Sub-launched Nuclear Warhead

摘要

The National Nuclear Security Administration (NNSA) late last year finished refurbishing thefinal submarine-launched W76 ballistic missile warheads for another 30 years of service, theagency confirmed.The NNSA finished building the last W76-1 warhead in December, an agency spokesperson saidTuesday by email. The semiautonomous Department of Energy agency started planning for theW76-1 life-extension program in 1999 and delivered the first war-ready warhead to the Navy in2008. The whole project cost about $4 billion, according to the NNSA’s 2019 StockpileStewardship and Management Plan.