As Defense Secretary Pete Hegseth proudly turned a screwdriver to attach a “Department of War” sign at the entrance to the Pentagon on Thursday, the cost to change the name of the Department of Defense to the Department of War is now estimated at $2 billion, according to congressional staffers.

NBC News reports that the name change, which must be approved by Congress, would require replacing thousands of signs, placards, letterheads and badges, as well as other items at U.S. military sites around the world that feature the Department of Defense name. One of the biggest expenses is rewriting digital code for all of the department’s websites, as well as other computer software on classified and unclassified systems.

The network interviewed six people with knowledge of the potential cost, i

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