; (2) carry out responsibilities under section 103(b)(2)(K) (relating to establishing policies concerning spectrum assignments and use by radio stations belonging to and operated by the United States) and provide Federal agencies with guidance to ensure that the conduct of telecommunications activities by such agencies is consistent with such policies; (3) represent the interests of Federal agencies in the process through which the Commission and the NTIA jointly determine the National Table of Frequency Allocations, and coordinate with the Commission in the development of a comprehensive long-range plan for improved management of all electromagnetic spectrum resources; (4) appoint the chairpersons of and provide secretariat functions for the Interdepartmental Radio Advisory Committee and the ISAC (as defined in section 107(d)); (5) carry out responsibilities under section 103(b)(2)(B) (relating to authorizing a foreign government to construct and operate a radio station at the seat of Government of the United States) and assign frequencies for use by such stations; (6) provide advice and assistance to the Under Secretary and coordinate with the Associate Administrator for International Affairs in carrying out spectrum management aspects of the international policy responsibilities of the NTIA, including spectrum-related responsibilities under section 103(b)(2)(G); (7) advise and assist the Under Secretary on spectrum-related technical and policy issues regarding— (A) the security of telecommunications in the United States; and (B) systems and means to ensure such security; (8) in coordination with the Associate Administrator for Policy Development and Cybersecurity, carry out spectrum-related responsibilities under section 103(b)(2)(H) (relating to coordination of the telecommunications activities of the executive branch and assistance in the formulation of policies and standards for such activities)