EXTENSION AND MODIFICATION OF AUTHORITY FOR UNITED STATES-ISRAEL ANTI-TUNNEL COOPERATION ACTIVITIES.

SEC. 1279. EXTENSION AND MODIFICATION OF AUTHORITY FOR UNITED STATES-ISRAEL ANTI-TUNNEL COOPERATION ACTIVITIES. (a) Modification of Authority.—Subsection (a) of section 1279 of the National Defense Authorization Act for Fiscal Year 2016 (22 U.S.C. 8606 note) is amended, in the first sentence, by striking “and to establish capabilities for countering unmanned aerial systems”. (b) Exception to Matching Contribution Requirement.—Subsection (b)(3) of such section is amended— (1) by striking “Support” and inserting the following: “(A) In general.—Except as provided in subparagraph (B), support” ; and (2) by adding at the end the following: “(B) Exception.—Subject to paragraph (4), the Secretary may use amounts available to the Secretary in excess of the amount contributed by the Government of Israel to provide support under this subsection for costs associated with any unique national requirement identified by the United States with respect to anti-tunnel capabilities.” . (c) Extension.—Subsection (f) of such section is amended by striking “December 31, 2020” and inserting “December 31, 2024”.