; (B) must be accomplished using agency expertise and authority; and (C) relates to— (i) international aviation safety assessment technical reviews and technical assistance; (ii) aerodrome safety and certification; (iii) aviation system certification activities based on Federal Aviation Administration regulations and requirements; (iv) cybersecurity efforts to protect United States aviation ecosystem components and facilities; (v) operation and maintenance of air navigation system equipment, procedures, and personnel; or (vi) related training and exercises in support of aviation safety, efficiency, and security. . 329. Restoration of authority (a) In general Chapter 401 of title 49, United States Code, is amended by inserting after section 40118 the following: 40119. Security and research and development activities (a) General requirements The Administrator of the Federal Aviation Administration shall conduct research (including behavioral research) and development activities appropriate to develop, modify, test, and evaluate a system, procedure, facility, or device to protect passengers and property against acts of criminal violence, aircraft piracy, and terrorism and to ensure security. (b) Disclosure (1) Regulations prohibiting disclosure Notwithstanding the establishment of a Department of Homeland Security, the Secretary of Transportation, in accordance with section 552(b)(3)(B) of title 5, United States Code, shall prescribe regulations prohibiting disclosure of information obtained or developed in ensuring security under this title if the Secretary of Transportation decides disclosing the information would— (A) be an unwarranted invasion of personal privacy; (B) reveal a trade secret or privileged or confidential commercial or financial information