; and (4) develop memoranda of agreement, joint funding agreements, and other cooperative arrangements necessary for meeting the long-term challenges and achieving the specific technical goals. (d) Report Not later than December 31, 2020, the Under Secretary of Defense for Research and Engineering shall submit to the congressional defense committees a report on the program, in both classified and unclassified format. 223. Joint directed energy test activities (a) Test activities The Under Secretary of Defense for Research and Engineering shall develop, establish, and coordinate directed energy testing activities adequate to ensure the achievement by the Department of Defense of goals of the Department for developing and deploying directed energy systems to match national security needs. (b) Elements The activity established under subsection (a) shall include the following: (1) The High Energy Laser System Test Facility of the Army Test and Evaluation Command. (2) Such other test resources and activities as the Under Secretary may designate for purposes of this section. (c) Designation The test activities established under subsection (a) shall be considered part of the Major Range and Test Facility Base (as defined in 196(i) of title 10, United States Code). (d) Direction and control The conduct of testing activities under subsection (a) shall be subject to authority, direction, and control of the Under Secretary in the Under Secretary’s capacity as the official with principal responsibility for the development and demonstration of directed energy weapons for the Department pursuant to section 219(a)(1) of the National Defense Authorization Act for Fiscal Year 2017 ( 10 U.S.C. 2431 note). (e) Prioritization of effort In developing and coordinating testing activities pursuant to subsection (a), the Under Secretary shall prioritize efforts consistent with the following: (1) Paragraphs (2) through (5) of section 219(a) of the National Defense Authorization Act for Fiscal Year 2017 ( 10 U.S.C. 2431 note). (2) Enabling