to section 251(b)(2)(A)(i) of the Balanced Budget and Emergency Deficit Control Act of 1985. OPERATION AND MAINTENANCE Operation and Maintenance, Army For an additional amount for Operation and Maintenance, Army , $4,887,581,000, 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, Navy For an additional amount for Operation and Maintenance, Navy , $1,534,163,000, to remain available until December 31, 2024, to respond to the situation in Ukraine, to support improvements to the submarine industrial base, and for related expenses: Provided , That of the total amount provided under this heading in this Act, $976,405,000 shall be to respond to the situation in Ukraine and for related expenses: Provided further , That of the total amount provided under this heading in this Act, $557,758,000, to remain available until September 30, 2024, shall be to support improvements to the submarine industrial base and for related expenses: Provided further , 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, Marine Corps For an additional amount for Operation and Maintenance, Marine Corps , $69,045,000 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, Air Force For an additional amount for Operation and Maintenance, Marine Corps , $846,869,000, to remain available until December 31, 2024, to respond to the