That the following sums are appropriated, out of any money in the Treasury not otherwise appropriated, for military construction, the Department of Veterans Affairs, and related agencies for the fiscal year ending September 30, 2019, and for other purposes, namely: I Department of defense Military construction, army For acquisition, construction, installation, and equipment of temporary or permanent public works, military installations, facilities, and real property for the Army as currently authorized by law, including personnel in the Army Corps of Engineers and other personal services necessary for the purposes of this appropriation, and for construction and operation of facilities in support of the functions of the Commander in Chief, $1,001,768,000, to remain available until September 30, 2023: Provided , That, of this amount, not to exceed $110,068,000 shall be available for study, planning, design, architect and engineer services, and host nation support, as authorized by law, unless the Secretary of the Army determines that additional obligations are necessary for such purposes and notifies the Committees on Appropriations of both Houses of Congress of the determination and the reasons therefor. Military construction, navy and marine corps For acquisition, construction, installation, and equipment of temporary or permanent public works, naval installations, facilities, and real property for the Navy and Marine Corps as currently authorized by law, including personnel in the Naval Facilities Engineering Command and other personal services necessary for the purposes of this appropriation, $2,100,298,000, to remain available until September 30, 2023: Provided , That, of this amount, not to exceed $185,542,000 shall be available for study, planning, design, and architect and engineer services, as authorized by law, unless the Secretary of the Navy determines that additional obligations are necessary for such purposes and notifies the Committees on Appropriations of both Houses of Congress of the