; and (II) by striking , not later than November 16, 1993, ; and (ii) in paragraph (4)(C), by striking Research, Engineering and Development Advisory Committee and inserting Administrator ; (B) in subsection (c)— (i) in paragraph (1), by striking , as a subcommittee of the Research, Engineering, and Development Advisory Committee, ; and (ii) in paragraph (4), by striking Not later than 90 days after the date of the enactment of the Aviation and Transportation Security Act, and every two years thereafter, and inserting Biennially, ; (C) by striking Under Secretary each place it appears and inserting Administrator ; and (D) by adding at the end the following: (d) Security and research and development activities (1) In general The Administrator of the Transportation Security 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. (2) Disclosure (A) In general Notwithstanding section 552 of title 5, the Administrator of the Transportation Security Administration shall prescribe regulations prohibiting disclosure of information obtained or developed in ensuring security under this title if the Secretary of Homeland Security decides disclosing the information would— (i) be an unwarranted invasion of personal privacy; (ii) reveal a trade secret or privileged or confidential commercial or financial information