; and (iii) includes ancillary services, including total maintenance and repair, major restoration and repair, studies, and any other services, as appropriate. (E) Utility service supplier The term utility service supplier means an entity that supplies a utility service. (F) Utility system The term utility system has the meaning given the term in subsections (i)(1)(A) and (i)(2)(A) of section 2688 of title 10, United States Code. B Military Housing Reforms 2821. Establishment of the Military Family Readiness Working Group for Military Housing (a) In general Subsection (e) of section 1781a of title 10, United States Code, is amended to read as follows: (e) Military Family Readiness Working Group for Military Housing (1) There is in the Council the Military Family Readiness Working Group for Military Housing (in this section referred to as the Housing Working Group ). (2) (A) The Housing Working Group shall be composed of the following members: (i) The Assistant Secretary of Defense for Energy, Installations, and Environment, who shall serve as chair of the Housing Working Group on a nondelegable basis. (ii) One representative of each of the Army, Navy, Air Force, Marine Corps, and Space Force— (I) each of whom shall be a member of the armed force to be represented