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Through its diverse portfolio, including its system of laboratory and university programs, DOE promotes interdisciplinary research and the integration of basic and applied science.
DOE is developing and delivering technologies for infrastructure security including chemical, biological, and nuclear nonproliferation. Itis assisting the country in preparing for, recognizing, and responding to attacks with such weapons. In addition, DOE's Stockpile Stewardship Program provides the infrastructure and intellectual capability to maintain and certify weapons in our nation’s nuclear stockpile. DOE works to ensure the safety, security, reliability, affordability, and performance of nuclear weapons without underground testing.