; and (2) a plan to address any such deficiency in a timely manner. 1644. Extension of authorization for protection of certain facilities and assets from unmanned aircraft Section 130i(i) of title 10, United States Code, is amended by striking 2023 both places it appears and inserting 2026 . 1645. Addressing serious deficiencies in electronic protection of systems that operate in the radio frequency spectrum (a) In general The Secretary of Defense shall take such actions as the Secretary considers necessary and practicable— (1) to establish requirements for and assign sufficient priority to ensuring electronic protection of sensor, navigation, and communications systems and subsystems against jamming, spoofing, and unintended interference from military systems; and (2) to provide management oversight and supervision of the military departments to ensure electronic protection of military systems that emit and receive in radio frequencies against modern threats and interference from military systems operating in the same or adjacent radio frequency of Federal spectrum. (b) Specific required actions The Secretary shall require the military departments and combat support agencies to— (1) develop and approve requirements, through the Joint Requirements Oversight Council as appropriate, within 270 days of the date of the enactment of this Act, for every radar, signals intelligence, navigation, and communications system and subsystem subject to the Global Force Management process to be able to withstand threat-realistic levels of jamming, spoofing, and unintended interference, which includes self-generated interference; (2) test every system and subsystem described in paragraph (1) at a test range that permits threat-realistic electronic warfare attacks against the system or subsystem by a red team or opposition force at least once every 4 years, with the first set of highest priority systems to be initially tested no later than fiscal year 2025