The National Park Service approved a report on 28 August 2026 supporting President Donald Trump's proposed 250-foot arch in Washington, D.C., despite acknowledging adverse effects on historic sightlines and landmarks.
A U.S. National Park Service engineer warned the Trump administration in early June 2026 about the floor of the Lincoln Reflecting Pool peeling due to renovation issues and materials used, nearly a month before the administration brought vandalism charges related to the damage. Court documents revealed on August 21, 2026, that officials had advance warning of the defects.