to remain available for obligation until September 30, 2020, for necessary expenses related to the consequences of Hurricanes Michael and Florence: 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, Air Force , $738,290,000, to remain available for obligation until September 30, 2020, for necessary expenses for Facilities Sustainment, Restoration and Modernization (FSRM) related to the consequences of Hurricanes Michael and Florence: 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 reserve For an additional amount for Operation and Maintenance, Air Force Reserve , $3,505,000, to remain available for obligation until September 30, 2020, for necessary expenses related to the consequences of Hurricanes Michael and Florence: 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. Procurement Aircraft Procurement, Air Force For an additional amount for Aircraft Procurement, Air Force , $46,000,000, for necessary expenses related to the consequences of Hurricanes Michael and Florence: 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. Other Procurement, Air Force For an additional amount for Other Procurement, Air Force , $84,587,000, for necessary expenses related to the consequences of Hurricanes Michael and Florence: Provided , That such amount is designated by the Congress as being for an emergency requirement