; Towing Salvage and Rescue Ship, $88,204,000; LCU 1700, $85,670,000; Service Craft, $81,789,000; Unmanned Surface Vessels, $248,200,000; For outfitting, post delivery, conversions, and first destination transportation, $714,428,000; and Completion of Prior Year Shipbuilding Programs, $104,700,000. In all: $24,366,431,000, to remain available for obligation until September 30, 2024: Provided , That additional obligations may be incurred after September 30, 2024, for engineering services, tests, evaluations, and other such budgeted work that must be performed in the final stage of ship construction: Provided further , That none of the funds provided under this heading for the construction or conversion of any naval vessel to be constructed in shipyards in the United States shall be expended in foreign facilities for the construction of major components of such vessel: Provided further , That none of the funds provided under this heading shall be used for the construction of any naval vessel in foreign shipyards: Provided further , That funds appropriated or otherwise made available by this Act for Ohio Replacement Submarine (AP) may be available for the purposes authorized by subsections (f), (g), (h) or (i) of section 2218a of title 10, United States Code, only in accordance with the provisions of the applicable subsection: Provided further , That an appropriation made under the heading Shipbuilding and Conversion, Navy provided for the purpose of Program increase—advance procurement for fiscal year 2020 LPD Flight II and/or multiyear procurement economic order quantity shall be considered to be for the purpose of Program increase—advance procurement of LPD 31 . Other procurement, navy For procurement, production, and modernization of support equipment and materials not otherwise provided for, Navy ordnance (except ordnance for new aircraft, new ships, and ships authorized for conversion); the purchase of passenger motor vehicles for replacement only