Renaming the Department of Defense the 'Department of War' could cost up to $125 million Jan 14, 2026 · Fatima Hussein and Konstantin Toropin · washingtontimes.com read more » Renaming the Department of Defense the Department of War could cost U.S. taxpayers as much as $125 million depending on how broadly and quickly the change is made, according to an analysis released Wednesday from the Congressional Budget Office. Read more »