National Nuclear Security Administration

The National Nuclear Security Administration (NNSA) is an agency within the U.S. Department of Energy. Its primary mission is to enhance national security through the management of the nation's nuclear weapons stockpile, ensuring their safety and effectiveness. The NNSA also works on nuclear nonproliferation, securing nuclear materials, and supporting nuclear research and development. By overseeing various laboratories and facilities, the NNSA plays a critical role in preventing nuclear threats and promoting global nuclear security, while also managing programs related to defense and energy-related technologies.