Lawrence Livermore National Laboratory advances and applies science and technology solutions to ensure the safety, security and reliability of the U.S. nuclear deterrents. The laboratory works to reduce threats to global security. It manages a radiation detection center that fosters the development of radiation detection techniques. Lawrence Livermore National Laboratory also operates a more than 190 beam, stadium-sized laser system. The laboratory s plutonium facility conducts the research and engineering testing of nuclear materials. It employs a staff of over 7,000 people. The laboratory publishes a community newsletter, Discover LLNL. It manages a discovery center that serves visitors. Lawrence Livermore National Laboratory is operated by Lawrence Livermore National Security.