This Act may be cited as the Full Cost of War Act.

Any authorization for the use of military force or declaration of war enacted after the date of the enactment of this Act shall include an authorization of appropriations for the Department of Veterans Affairs for such sums as may be necessary to provide veterans with medical care, disability compensation, and any other earned benefit needed as a result of any activity conducted pursuant to such authorization or declaration, as jointly determined by the Secretary of Defense and the Secretary of Veterans Affairs.