; and (2) the assessment of the Chairman with respect to the findings in such report and the recommendations of the Chairman with respect to modernizing the Integrated Tactical Warning Attack Assessment System. 1643. Comprehensive review of electronic warfare test ranges and future capabilities (a) In general The Under Secretary of Defense for Research and Engineering, in consultation with the Chairman of the Joint Chiefs of Staff, shall conduct a comprehensive review of any deficiencies in the capacity of the electronic warfare test ranges and future electronic warfare capabilities of the Department of Defense relating to current and future global threats, research and development efforts, modeling, and electromagnetic and physical encroachment of the test ranges. (b) Elements The review required by subsection (a) shall consider the following: (1) Each electronic warfare test range, its size, any distinguishing features, and its electronic warfare capabilities. (2) The electronic warfare capabilities that are best practiced at which range and any encroachment issues between ranges. (3) Future electronic warfare capabilities and planned acquisitions. (4) Any modeling the Test Resource Management Center has done on incorporating future or planned electronic warfare capabilities into the current test ranges. (5) Any other matter the Under Secretary considers necessary. (c) Briefing required Not later than March 31, 2024, the Under Secretary shall provide the congressional defense committees with a briefing on the findings of the review required by subsection (a) that includes— (1) an assessment of any deficiency in the electronic warfare test ranges and future electronic warfare capabilities of the Department of Defense identified in the review