Protection for founding documents in the US National Archives building

Two men close polished doors of display case / inscription in vertical marble plaque: "The Declaration of Independence, the Constitution of the United States, and the Bill of Rights" / the four documents descend and rise on elevator mechanisms; massive armored doors close around three items / American servicemen carry frames into the archive building / men's hands securing the Declaration in its frame and it's lowered / VS the frames are carried from the Library, an armored vehicle passes, and the documents are carried up the archive steps