forces or groups to the United States, and such equipment may be treated as stocks of the Department of Defense upon written notification to the congressional defense committees: Provided further , That equipment procured using funds provided under this heading, or under the heading, Iraq Train and Equip Fund in prior Acts, and not yet transferred to security forces, irregular forces, or groups participating, or preparing to participate in activities to counter the Islamic State of Iraq and Syria may be treated as stocks of the Department of Defense when determined by the Secretary to no longer be required for transfer to such forces or groups and upon written notification to the congressional defense committees: Provided further , That the Secretary of Defense shall provide quarterly reports to the congressional defense committees on the use of funds provided under this heading, including, but not limited to, the number of individuals trained, the nature and scope of support and sustainment provided to each group or individual, the area of operations for each group, and the contributions of other countries, groups, or individuals: Provided further , 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. Procurement Aircraft Procurement, Army For an additional amount for Aircraft Procurement, Army , $347,563,000, to remain available until September 30, 2021: 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. Missile Procurement, Army For an additional amount for Missile Procurement, Army , $1,770,270,000, to remain available until September 30, 2021: Provided , That such amount is designated by the Congress for Overseas Contingency Operations/Global War on Terrorism pursuant to section