Operation and Maintenance, Army

Operation and Maintenance, Army For expenses, not otherwise provided for, necessary for the operation and maintenance of the Army, as authorized by law; and not to exceed $2,929,000 can be used for emergencies and extraordinary expenses, to be expended on the approval or authority of the Secretary of the Army, and payments may be made on his certificate of necessity for confidential military purposes; $7,898,285,000, of which not less than $480,000,000 shall be available only for the maintenance of real property facilities.