under the jurisdiction of the Department of Defense named after individuals who took up arms against the United States during the American Civil War (a) Statement of Policy It is the policy of the United States that no military installation or other property under the jurisdiction of the Department of Defense shall be named, or may remain named, after any individual who took up arms against the United States during the American Civil War or any individual or entity that supported such efforts. (b) Redesignation of property Not later than one year after the date of the enactment of this Act, the Secretary of Defense shall change the name of any military installation or other property under the jurisdiction of the Department of Defense that, as of the date of the enactment of this Act, is named after— (1) any individual who took up arms against the United States during the American Civil War