; and (B) in subsection (f), by striking and the Defense Advanced Research Projects Agency and inserting , the Defense Innovation Unit, and the Defense Advanced Research Projects Agency . (3) Modification of authority to carry out certain prototype projects Section 4022 of title 10, United States Code, is amended— (A) in subsection (a)— (i) in paragraph (1), by inserting the Director of the Defense Innovation Unit, after Defense Advanced Research Projects Agency, ; (ii) in paragraph (2)(A), by inserting , the Defense Innovation Unit, after Defense Advanced Research Projects Agency ; and (iii) in paragraph (3), by inserting , Defense Innovation Unit, after Defense Advanced Research Projects Agency ; and (B) in subsection (e)(1)— (i) by redesignating subparagraphs (C) through (E) as subparagraphs (D) through (F), respectively; and (ii) by inserting after subparagraph (B) the following new subparagraph: (C) the Director of the Defense Innovation Unit; . (4) Conforming amendments Section 1766 of title 10, United States Code, is amended— (A) in subsection (b), by striking as determined by the Under Secretary of Defense for Research and Engineering and inserting as determined by the Secretary of Defense