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Strengthening National Security

Innovations in experiments, theories, and computation to ensure the safety, security, and effectiveness of our nation’s nuclear deterrent.

A premier program at the Lawrence Livermore National Laboratory, the Weapons and Complex Integration (WCI) organization provides foundational capabilities to a broad range of  national security missions and ensures the success of the strategic nuclear deterrent into the future. Following our strong tradition of multidisciplinary team science, we nurture an exceptional workforce and effectively partner with stakeholders to achieve national security impact.

Four people working with cylindrical equipment.

Stockpile Stewardship

The Stockpile Stewardship Program is an ambitious effort to improve the science and technology for assessing an aging nuclear weapons stockpile without relying on underground nuclear testing. Now in its third decade, this program has built an incredible foundation of tools and capabilities that have expanded our understanding and enabled us to begin a new epoch in modernizing the nuclear security enterprise in the face of emerging threats.

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