Due to federal restrictions contained in the current National Defense Authorization Act, citizens of the People's Republic of China-including the special administrative regions of Hong Kong and Macau-as well as citizens of the Islamic Republic of Iran, the Democratic People's Republic of Korea (North Korea), and the Russian Federation, who are not Lawful Permanent Residents ("green card" holders) are prohibited from accessing facilities that support the mission, functions, and operations of national security laboratories and nuclear weapons production facilities, which includes Los Alamos National Laboratory. The ISR-6 Group, with nearly 40 scientists & engineers, postdocs, and students, develops and deploys sophisticated and customized detection systems and analysis tools to address needs in our key mission areas of nuclear non-proliferation, space domain awareness, atmospheric science, planetary science and exploration, and multi-source intelligence.