Benefits). Subtitle C—Transition Provisions Sec. 1731. Transition period. Sec. 1732. Change of duty status of members of the Space Force. Sec. 1733. Transfer to the Space Force of members of the reserve components of the Air Force. Sec. 1734. Placement of officers on the Space Force officer list. Sec. 1735. Disestablishment of Regular Space Force. Sec. 1736. End strength flexibility. Sec. 1737. Promotion authority flexibility. Subtitle D—Other Amendments Related to the Space Force Sec. 1741. Title 10, United States Code. Sec. 1742. Other provisions of law. Title XVIII—Other Defense Matters Subtitle A—Other Defense Matters Sec. 1801. Technical and conforming amendments. Sec. 1802. Extension of authority to engage in certain commercial activities. Sec. 1803. Modification to requirements relating to combating military reliance on Russian energy. Sec. 1804. U.S. Hostage and Wrongful Detainee Day Act of 2023. Sec. 1805. Improvements to Department of Veterans Affairs-Department of Defense Joint Executive Committee. Sec. 1806. Access to and use of military post offices by United States citizens employed overseas by the North Atlantic Treaty Organization who perform functions in support of military operations of the Armed Forces. Sec. 1807. Extension of admission to Guam or the Commonwealth of the Northern Mariana Islands for certain nonimmigrant H–2B workers. Sec. 1808. Support for execution of bilateral agreements concerning illicit transnational maritime activity in Africa. Sec. 1809. National Cold War Center designation. Sec. 1810. Revision of requirement for transfer of certain aircraft to State of California for wildfire suppression purposes. Sec. 1811. Limitation on funds for Wuhan Institute of Virology and EcoHealth Alliance, Inc. Subtitle B—Drone Security Sec. 1821. Short title. Sec. 1822. Definitions. Sec. 1823. Prohibition on procurement of covered unmanned aircraft systems from covered foreign entities. Sec. 1824. Prohibition on operation of covered unmanned aircraft systems from covered foreign entities.