Trump executive order aims to rename the Department of Defense as the Department of War 1 min ago President Donald Trump signed an executive order aimed at rebranding the Department of Defense as the Department of War. Some of Trump's Republican supporters in Congress have proposed legislation to make the name change official. Without a change in law, Trump plans to authorize the Pentagon to use secondary titles. The Department of War was the original name from 1789 until it was changed in 1947, two years after World War II ended. Trump has expressed a preference for the original name, saying it “just sounded better.”

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