They say there is a secret Presidential government bunker in Utah. As of 2018 there is no known Utah bunker although there is a government testing facility. Known government continuity bunkers are NORAD's Colorado bunker; a decommissioned West Virginia bunker; Berryville, Virginia; one at the Vice-President's home at the Naval Observatory.
The Marines have patches lacking "Corps". There would be no real patch that would lack Corps.