; and (6) in subsection (f), as redesignated by paragraph (2), by striking December 1, 2026 and inserting December 1, 2027 . (b) Clerical amendment The heading for such section 2862 is amended to read as follows: 2862. Pilot program to augment sustainment with maintenance cost reimbursements from Major Range and Test Facility Base users at installations of the Department of the Air Force . 2873. Pilot program to provide air purification technology in covered military housing (a) In general The Secretary of Defense may carry out a pilot program to— (1) provide commercially available off-the-shelf items (as defined in section 104 of title 41, United States Code) for air purification and covered sensors to landlords