This opportunity is a small business set-aside for U.S. firms to provide scientific and technical consulting services for evaluating civil nuclear energy projects, including large light water reactor and small modular reactor technologies. The contractor will develop budgets and terms of reference for activities that meet USTDA funding criteria, with performance expected across the Middle East, North Africa, Europe, Eurasia, Indo-Pacific, and Latin America & the Caribbean regions. The government anticipates making up to two awards, with a total of six initial and eight full reviews possible. No specific budget amount is provided, and the solicitation does not specify a performance location beyond the regional scope.