to prescribe such rules and regulations as it deems necessary governing the manner of its operations and its organization and personnel;

to make such expenditures as may be necessary for administering the provisions of this chapter;

to enter into contracts or other arrangements, or modifications thereof, for the carrying on, by organizations or individuals in the United States and foreign countries, including other government agencies of the United States and of foreign countries, of such scientific or engineering activities as the Foundation deems necessary to carry out the purposes of this chapter, and, at the request of the Secretary of State or Secretary of Defense, specific scientific or engineering activities in connection with matters relating to international cooperation or national security, and, when deemed appropriate by the Foundation, such contracts or other arrangements, or modifications thereof may be entered into without legal consideration, without performance or other bonds, and without regard to section 6101 of title 41;