detailed by Department of Defense Financial Management Regulation 7000.14-R the amount for each individual subactivity group (SAG) as detailed in the Department’s future years defense program pursuant to section 221 of title 10, United States Code. 333. Restriction on upgrades to aviation demonstration team aircraft (a) In general Except as provided under subsection (b), the Secretary of Defense may not upgrade the type, model, or series of aircraft used by a military service for its fixed wing aviation demonstration teams, including Blue Angel and Thunderbird aircraft, until the service's active and reserve duty squadrons and weapon training schools have replaced 100 percent of the existing type, model, and series of aircraft. (b) Waiver authority The Secretary of Defense may, upon written notice to the congressional defense committees, waive the prohibition under subsection (a) for the purpose of carrying out upgrades to the type, model, or series of the aircraft described under such subsection that are necessary to ensure the safety of pilots. 334. U.S. Special Operations Command civilian personnel Of the funds authorized to be appropriated by this Act for Operation and Maintenance, Defense-wide for U.S. Special Operations Command civilian personnel, not less than $6,200,000 shall be used to fund the detail of civilian personnel to the office of the Assistant Secretary of Defense for Special Operations and Low-Intensity Conflict to support the Secretariat for Special Operations. 335. Limitation on availability of funds for service-specific Defense Readiness Reporting Systems (a) Limitation None of the funds authorized to be appropriated by this Act or otherwise made available for the Department of Defense for fiscal year 2019 for operation and maintenance, research, development, test, and evaluation, or procurement, and available to operate service specific Defense Readiness Reporting Systems (DRRS) may be made available for such purpose except for required maintenance and in order to facilitate the