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. Working under the guidance of experienced technical staff, the graduate student will assist with electrical engineering analyses, support testing and commissioning activities, evaluate system performance, analyze experimental and operational data, develop engineering models and documentation, and contribute to projects that improve the reliability, safety, and performance of DARHT's accelerator and pulsed power systems.