COMPTROLLER GENERAL REVIEW REGARDING GLOBAL POSITIONING SYSTEM MODERNIZATION AND OTHER POSITIONING, NAVIGATION, AND TIMING SYSTEMS.

SEC. 1606. COMPTROLLER GENERAL REVIEW REGARDING GLOBAL POSITIONING SYSTEM MODERNIZATION AND OTHER POSITIONING, NAVIGATION, AND TIMING SYSTEMS. Subsection (c) of section 1621 of the National Defense Authorization Act for Fiscal Year 2016 (Public Law 114–92; 129 Stat. 1109; 10 U.S.C. 2281 note) is amended to read as follows: “(c) Comptroller General Review and Assessment; Briefing.— “(1) Requirements The Comptroller General shall— “(A) review and assess the efforts of the Department of the Air Force with respect to Global Positioning System modernization and other positioning, navigation, and timing systems; and “(B) provide to the congressional defense committees a briefing on— “(i) the progress made by the Space Force in fielding military code from the Global Positioning System (commonly known as ‘M-code’); “(ii) the efforts the Department of the Air Force has planned or made to develop complementary or alternative solutions for M-code to obtain positioning, navigation, and timing information through new signals, systems, and subsystems; and “(iii) the extent to which the military departments have developed and fielded user equipment with the ability to use M-code and complementary or alternative solutions. “(2) Timing The Comptroller General shall provide to the congressional defense committees— “(A) not later than March 1, 2025, the briefing required by paragraph (1)(B); “(B) a report on the matters described in that paragraph, to be submitted on a date agreed upon at such briefing; and “(C) any subsequent briefing on the matters described in that paragraph, as the Comptroller General considers appropriate.” .