and Maintenance, Space Force For an additional amount for Operation and Maintenance, Space Force , $8,443,000, to remain available until December 31, 2024, to respond to the situation in Ukraine and for related expenses: Provided , That such amount is designated by the Congress as being for an emergency requirement pursuant to section 251(b)(2)(A)(i) of the Balanced Budget and Emergency Deficit Control Act of 1985. Operation and Maintenance, Defense-Wide (Including Transfers of Funds) For an additional amount for Operation and Maintenance, Defense-Wide , $27,930,780,000, to remain available until December 31, 2024, to respond to the situation in Ukraine and for related expenses: Provided , That of the total amount provided under this heading in this Act, $13,772,460,000, to remain available until September 30, 2025, shall be for the Ukraine Security Assistance Initiative: Provided further , That such funds for the Ukraine Security Assistance Initiative shall be available to the Secretary of Defense under the same terms and conditions as are provided for in section 8148 of the Department of Defense Appropriations Act, 2024 (division A of Public Law 118–47 ): Provided further , That of the total amount provided under this heading in this Act, up to $13,414,432,000, to remain available until September 30, 2025, may be transferred to accounts under the headings Operation and Maintenance , Procurement , and Revolving and Management Funds for replacement, through new procurement or repair of existing unserviceable equipment, of defense articles from the stocks of the Department of Defense, and for reimbursement for defense services of the Department of Defense and military education and training, provided to the government of Ukraine or identified and notified to Congress for provision to the government of Ukraine or to foreign countries that have provided support to Ukraine at the request of the United States: Provided further , That funds transferred pursuant to the preceding proviso shall be merged with and