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| NNSA (сокр. от "National Nuclear Security Administration" Alex_Odeychuk); National Nuclear Security Administration (National Nuclear Security Administration, the organization within U.S. Department of Energy that manages, among others, the Stockpile Stewardship Program, which is responsible for manufacturing, maintaining, refurbishing, surveilling, and dismantling the nuclear weapons stockpile Alex_Odeychuk) | |||
| National Nuclear Safety Administration (США) | |||