“Joint program” means the cooperative program established by the Community and the United States and carried out in accordance with the provisions of an agreement for cooperation entered into pursuant to the provisions of
section 2153 of this title, to bring into operation in the territory of the members of the Community powerplants using nuclear reactors of types selected by the Commission and the Community, having as a goal a total installed capacity of approximately one million kilowatts of electricity by
December 31, 1963, except that two reactors may be selected to be in operation by
December 31, 1965.