; and (2) an evaluation of how the findings of the Secretary align with stated strategies of the Department of Defense with regard to artificial intelligence and performance objectives established in the Department of Defense Data, Analytics, and Artificial Intelligence Adoption Strategy. III Operation and Maintenance A Authorization of Appropriations 301. Authorization of appropriations Funds are hereby authorized to be appropriated for fiscal year 2024 for the use of the Armed Forces and other activities and agencies of the Department of Defense for expenses, not otherwise provided for, for operation and maintenance, as specified in the funding table in section 4301. B Energy and Environment 311. Requirement for approval by Under Secretary of Defense for Acquisition and Sustainment of any waiver for a system that does not meet fuel efficiency key performance parameter Section 332(b) of the Duncan Hunter National Defense Authorization Act for Fiscal Year 2009 ( Public Law 110–417 ; 10 U.S.C. 2911 note) is amended— (1) by striking The Secretary of Defense and inserting the following: (1) In general The Secretary of Defense ; and (2) by adding at the end the following new paragraph: (2) Waiver of fuel efficiency key performance parameter (A) In general The fuel efficiency key performance parameter implemented under paragraph (1) may be waived for a system only if such waiver is approved by the Under Secretary of Defense for Acquisition and Sustainment. (B) Nondelegation The waiver authority under subparagraph (A) may not be delegated. . 312. Improvement and codification of Sentinel Landscapes Partnership program authority (a) Codification of existing statute Section 317 of the National Defense Authorization Act for Fiscal Year 2018 ( Public Law 115–91 ; 10 U.S.C. 2684a note) is amended— (1) by transferring such section to appear after section 2692 of title 10, United States Code; (2) by redesignating such section as section 2693