Air Force Reserve , $60,500,000: Provided , That such amount is designated by the Congress for Overseas Contingency Operations/Global War on Terrorism pursuant to section 251(b)(2)(A)(ii) of the Balanced Budget and Emergency Deficit Control Act of 1985. Operation and Maintenance, Army National Guard For an additional amount for Operation and Maintenance, Army National Guard , $110,729,000: Provided , That such amount is designated by the Congress for Overseas Contingency Operations/Global War on Terrorism pursuant to section 251(b)(2)(A)(ii) of the Balanced Budget and Emergency Deficit Control Act of 1985. Operation and Maintenance, Air National Guard For an additional amount for Operation and Maintenance, Air National Guard , $15,870,000: Provided , That such amount is designated by the Congress for Overseas Contingency Operations/Global War on Terrorism pursuant to section 251(b)(2)(A)(ii) of the Balanced Budget and Emergency Deficit Control Act of 1985. Afghanistan Security Forces Fund For the Afghanistan Security Forces Fund , $5,199,450,000, to remain available until September 30, 2020: Provided , That such funds shall be available to the Secretary of Defense for the purpose of allowing the Commander, Combined Security Transition Command—Afghanistan, or the Secretary's designee, to provide assistance, with the concurrence of the Secretary of State, to the security forces of Afghanistan, including the provision of equipment, supplies, services, training, facility and infrastructure repair, renovation, construction, and funding: Provided further , That the Secretary of Defense may obligate and expend funds made available to the Department of Defense in this title for additional costs associated with existing projects previously funded with amounts provided under the heading Afghanistan Infrastructure Fund in prior Acts: Provided further , That such costs shall be limited to contract changes resulting from inflation, market fluctuation, rate adjustments, and other necessary contract actions to complete