Act, 2018 . 2 Missile Defense The following sums are appropriated, out of any money in the Treasury not otherwise appropriated, for the fiscal year ending September 30, 2018, and for other purposes, namely: I Missile Defeat and Defense Enhancements 1 Department of Defense Operation and Maintenance Operation and Maintenance, Navy For an additional amount for Operation and Maintenance, Navy for necessary costs to repair damage to the U.S.S. John S. McCain and the U.S.S. Fitzgerald, $673,500,000: Provided, That such amount is designated by the Congress as 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, Air Force for necessary costs to detect, defeat, and defend against the use of ballistic missiles, $18,750,000: Provided, That such amount is designated by the Congress as 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 For an additional amount for Operation and Maintenance, Defense-Wide for necessary costs to detect, defeat, and defend against the use of ballistic missiles, $23,735,000: Provided, That such amount is designated by the Congress as an emergency requirement pursuant to section 251(b)(2)(A)(i) of the Balanced Budget and Emergency Deficit Control Act of 1985. Procurement Missile Procurement, Army For an additional amount for Missile Procurement, Army for necessary costs to detect, defeat, and defend against the use of ballistic missiles, $884,000,000, to remain available until September 30, 2020: Provided, That such amount is designated by the Congress as an emergency requirement pursuant to section 251(b)(2)(A)(i) of the Balanced Budget and Emergency Deficit Control Act of 1985. Missile Procurement, Air Force For an additional amount for Missile Procurement, Air Force for necessary costs to detect, defeat, and defend