; and (II) is meeting agreed-upon cost, schedule, and performance thresholds. (5) Relationship to Under Secretary for Science and Technology (A) In general (i) Rule of construction Nothing in this subsection shall be construed to diminish the authority granted to the Under Secretary for Science and Technology under this Act. (ii) Cooperation The Under Secretary for Management and the Under Secretary for Science and Technology shall cooperate in matters related to the coordination of acquisitions across the Department so that investments of the Directorate of Science and Technology are able to support current and future requirements of the components of the Department. (B) Operational testing and evaluation The Under Secretary for Science and Technology shall— (i) ensure, in coordination with relevant component heads, that major acquisition programs— (I) complete operational testing and evaluation of technologies and systems; (II) use independent verification and validation of operational test and evaluation implementation and results; and (III) document whether such programs meet all performance requirements included in their acquisition program baselines; (ii) ensure that the operational testing and evaluation required under clause (i)(I) includes all system components and incorporates operators into the testing to ensure that systems perform as intended in the appropriate operational setting