stability within the region or country in support of the applicable theater campaign plan. (4) Plan In the event a pilot program will be carried out pursuant to paragraph (2) or (3), planning for the pilot program shall include an explanation of concept, budget, timeline, and metrics for measuring the effectiveness of activities of the Department of State or United States Agency for International Development, as applicable, under the pilot program. (c) Duration The authority to carry out pilot programs under this section shall cease on September 30, 2023. (d) Annual reports (1) In general Not later than 90 days after the last day of each of fiscal year 2019 through 2023, the Secretary shall submit to the congressional defense committees a report on the pilot programs carried out under this section during the preceding fiscal year. (2) Elements Each report under this subsection shall include, for the fiscal year covered by such report, the following: (A) A list of all pilot programs carried out, set forth by combatant command. (B) A list of all pilot programs commenced, set forth by combatant command. (C) The amount of funds provided for each pilot program carried out. (D) The objectives of each pilot program carried out, and the metrics used or to be used to measure the effectiveness of such pilot program. (E) A description of the manner in which each pilot program carried out supports the applicable theater campaign plan of the commanders of the combatant command concerned. (F) If a pilot program was concluded, an assessment of the value of the program, a description and assessment of lessons learned through the program, and any recommendations the Secretary considers appropriate for follow-on efforts in connection with the program. (e) Funding (1) In general Of the amounts authorized to be appropriated for each of fiscal years 2019 through 2023 for the Department of Defense for operation and maintenance and available for the combatant commands, an aggregate of $20,000,000 may be used in each such fiscal year