This report describes the organizations controlling research and development (R&D) on nuclear weapons in several nations, and presents a brief history of the organizations controlling nuclear weapons R&D in the United States. It discusses whether these organizations are civilian or military, though in many nations the lines between civilian and military are blurred.

This report assesses the current state of U.S.-UK relations. It examines the pressures confronting London as it attempts to balance its interests between the United States and the EU, and the prospects for the future of the U.S.-UK partnership, especially in the unfolding Brown era. It also describes UK views on political, security, and economic issues of particular importance to the United States, and their implications for U.S. policy that may be of interest in the second session of the 110th Congress.