; and (ii) in paragraph (2), by striking and the Under Secretary of Defense for Acquisition, Technology, and Logistics and inserting , the Under Secretary of Defense for Research and Engineering, the Under Secretary of Defense for Acquisition and Sustainment, ; (B) in subsection (c), by striking the Under Secretary of Defense for Acquisition, Technology, and Logistics and inserting the Under Secretary of Defense for Research and Engineering, the Under Secretary of Defense for Acquisition and Sustainment, ; and (C) in subsection (h)(2), by striking the Under Secretary of Defense for Acquisition, Technology, and Logistics and inserting the Under Secretary of Defense for Research and Engineering, the Under Secretary of Defense for Acquisition and Sustainment . (4) In section 139a(d)(6), by striking the Under Secretary of Defense for Acquisition, Technology, and Logistics and inserting the Under Secretary of Defense for Research and Engineering, the Under Secretary of Defense for Acquisition and Sustainment, . (5) In section 171(a)— (A) by striking paragraphs (3) and (8); (B) by redesignating paragraphs (4), (5), (6), (7), (9), (10), (11), (12), and (13) as paragraphs (5), (6), (7), (8), (11), (12), (13), (14), and(15), respectively; (C) by inserting after paragraph (2) the following new paragraphs: (3) the Under Secretary of Defense for Research and Engineering; (4) the Under Secretary of Defense of Acquisition and Sustainment; ; and (D) by inserting after paragraph (8), as redesignated by subparagraph (B), the following new paragraphs: (9) the Deputy Under Secretary of Defense for Research and Engineering; (10) the Deputy Under Secretary of Defense for Acquisition and Sustainment; . (6) In section 181(d)(1)— (A) by redesignating subparagraphs (D) through (G) as subparagraphs (E) through (H), respectively; (B) by striking subparagraph (C)