Sandia National Laboratories is one of the primary providers of the science, technology, and engineering capabilities needed to ensure both US and global security. Its mandate has moved far beyond its original weapons-centered mission—the development of nuclear weapons—and now encompasses complex economic, energy, environmental, and nonproliferation issues. From Nuclear Weapons to Global Security chronicles the history of Sandia, from its origins during World War II to its current multifaceted role at the forefront of innovation.