; and (B) by striking the Under Secretary shall and inserting the Under Secretaries shall . (42) In section 2508(b), by striking the Under Secretary of Defense for Acquisition, Technology, and Logistics, acting through the Deputy Assistant Secretary of Defense for Manufacturing and Industrial Base Policy and inserting the Under Secretary of Defense for Acquisition and Sustainment . (43) In section 2521, by striking Under Secretary of Defense for Acquisition, Technology, and Logistics each place it appears and inserting Under Secretary of Defense for Research and Engineering . (44) In section 2533b(k)(2)(A), by striking the Under Secretary of Defense for Acquisition, Technology, and Logistics and inserting the Under Secretary of Defense for Acquisition and Sustainment . (45) In section 2546— (A) in the heading of subsection (a), by striking Under Secretary of Defense for Acquisition, Technology, and Logistics and inserting Under Secretary of Defense for Acquisition and Sustainment ; and (B) by striking the Under Secretary of Defense for Acquisition, Technology, and Logistics each place it appears and inserting the Under Secretary of Defense for Acquisition and Sustainment . (46) In section 2548, by striking the Under Secretary of Defense for Acquisition, Technology, and Logistics each place it appears and inserting the Under Secretary of Defense for Acquisition and Sustainment . (47) In section 2902(b)— (A) by striking paragraph (1) and inserting the following new paragraph (1): (1) The official within the Office of the Under Secretary of Defense for Research and Engineering who is responsible for science and technology. ; (B) by redesignating paragraphs (4) through (9) as paragraphs (5) through (10), respectively; (C) by striking paragraph (3)