National Park Service v. National Trust for Historic Preservation in the United States · ¶2

The National Trust for Historic Preservation in the United States (Trust) filed a lawsuit in federal district court challenging various aspects of the project. As part of its suit, the Trust filed a motion on March 5, 2026, seeking a preliminary injunction. The injunction the Trust sought focused not on the already-completed demolition of the old East Wing but on halting the ongoing construction of a new one.

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