Transfer of responsibility for countering small unmanned aircraft systems

(a) Under Secretary of Defense for Acquisition and Sustainment as executive agent Section 133b(b)(5) of title 10, United States Code, is amended— (1) in subparagraph (D), by striking; and and inserting a semicolon; (2) in subparagraph (E), by striking the semicolon and inserting; and; and (3) by adding at the end the following new subparagraph: (F) the executive agent for the Department of Defense for oversight of efforts to counter small unmanned aircraft;. (b) Elimination of Joint Counter-Small Unmanned Aircraft Systems Office (1) In general Effective on the date that is 60 days after the date of the enactment of this Act— (A) the Joint Counter-Small Unmanned Aircraft Systems Office of the Army is terminated; and (B) the functions, assets, and civilian employees of the Joint Counter-Small Unmanned Aircraft Systems Office of the Army shall be transferred to the Office of the Under Secretary of Defense for Acquisition and Sustainment. (2) References On and after the date that is 60 days after the date of the enactment of this Act, any reference in any law or regulation to the Joint Counter-Small Unmanned Aircraft Systems Office of the Army shall be deemed to be a reference to the Office of the Under Secretary of Defense for Acquisition and Sustainment. (c) Conforming amendments (1) Plan for additional kinetic effectors for low, slow, small unmanned aircraft integrated defeat system Section 113 of the National Defense Authorization Act for Fiscal Year 2025 (Public Law 118–159) is amended— (A) in the section heading, by striking of the Army; (B) in subsection (a)— (i) by striking Secretary of the Army and inserting Under Secretary of Defense for Acquisition and Sustainment; and (ii) by striking of the Army; and (C) in subsection (b), by striking September 30, 2025, the Secretary of the Army and inserting September 30, 2026, the Under Secretary. (2) Counter unmanned aerial system threat library Section 353 of the National Defense Authorization Act for Fiscal Year 2025 (Public Law 118–159; 10 U.S.C. 130i note) is amended— (A) in subsection (a), by striking Not later and all that follows through Office, and inserting Not later than June 30, 2027, the Under Secretary of Defense for Acquisition and Sustainment; and (B) in subsection (c)— (i) by striking The Secretary and all that follows through Office, and inserting The Under Secretary; and (ii) by striking the Secretary of the Army and inserting the Under Secretary.