A US Government board based in this building close to the very visible National Archives and Records Administration, with an overview of the safety and care of facilities and workers of Nuclear Defense facilities in the USA. According to their OpenGov site: The Defense Nuclear Facilities Safety Board (Board) is an independent organization within the executive branch chartered with the responsibility of providing recommendations and advice to the President and the Secretary of Energy regarding public health and safety issues at Department of Energy (Department) defense nuclear facilities. In operation since in October 1989, the Board reviews and evaluates the content and implementation of health and safety standards, as well as other requirements, relating to the design, construction, operation, and decommissioning of the Department’s defense nuclear facilities. For more information, see: http://www.dnfsb.gov/