; and Military Construction, Army Reserve , $48,900,000, shall be used for the projects, and in the amounts, specified under the heading Military Construction, Army Reserve in the report accompanying this Act: Provided , That such funds may only be obligated to carry out construction projects identified in the respective military department's unfunded priority list for fiscal year 2021 submitted to Congress: Provided further , That such projects are subject to authorization prior to obligation and expenditure of funds to carry out construction: Provided further , That not later than 30 days after enactment of this Act, the Secretary of the military department concerned, or his or her designee, shall submit to the Committees on Appropriations of both Houses of Congress an expenditure plan for funds provided under this section and receive approval from the Committees on Appropriations of both Houses of Congress prior to obligation. 124. For the purposes of this Act, the term congressional defense committees means the Committees on Armed Services of the House of Representatives and the Senate, the Subcommittee on Military Construction and Veterans Affairs of the Committee on Appropriations of the Senate, and the Subcommittee on Military Construction and Veterans Affairs of the Committee on Appropriations of the House of Representatives. 125. All amounts appropriated to the Department of Defense—Military Construction, Army , Department of Defense—Military Construction, Navy and Marine Corps , Department of Defense—Military Construction, Air Force , and Department of Defense—Military Construction, Defense-Wide accounts pursuant to the authorization of appropriations in a National Defense Authorization Act specified for fiscal year 2021 in the funding table in section 4601 of that Act shall be immediately available and allotted to contract for the full scope of authorized projects. 126. For an additional amount for the accounts and in the amounts specified, to remain available until September 30, 2023: Military