Trump's ballroom ruling is now being used to shield something much bigger

Excavation for the proposed 250-foot triumphal arch is expected to begin within weeks despite an unresolved court fight over its construction
The Justice Department said a Supreme Court ruling on Trump's White House ballroom should end a separate lawsuit challenging his proposed triumphal arch (AP Photo/Jacquelyn Martin)
The Justice Department said a Supreme Court ruling on Trump's White House ballroom should end a separate lawsuit challenging his proposed triumphal arch (AP Photo/Jacquelyn Martin)

WASHINGTON, DC: The Justice Department is asking a federal judge to dismiss a lawsuit challenging President Donald Trump's planned 250-foot triumphal arch in Washington, DC, arguing that the Supreme Court’s recent ruling on his White House ballroom controls the case.

The filing comes as the administration prepares to begin excavation for the monument near Arlington National Cemetery.

DOJ links two separate Trump projects

In a five-page filing, the department told US District Judge Tanya Chutkan that the Supreme Court’s August 31 ballroom decision means the arch lawsuit should be dismissed.

President Donald trump showing the military complex
Federal lawyers argue that the Supreme Court’s reasoning on standing also applies to the lawsuit challenging the proposed arch (AP Photos)

The government argues that the plaintiffs cannot establish the kind of direct, personal injury required to challenge the project in federal court.

The Supreme Court’s 5-4 ruling allowed the ballroom construction to continue after finding that the preservation group challenging it likely lacked standing.

Veterans are challenging the proposed monument

Three Vietnam War veterans and retired architectural historian Calder Loth filed the lawsuit in February.

Public Citizen Litigation Group represents them. 

WASHINGTON, DC - AUGUST 10: The Lincoln Memorial, Lincoln Memorial Reflecting Pool, Memorial Bridge, and the World War II Memorial are seen from the Washington Monument on August 10, 2026 in Washington, DC. U.S. President Donald Trump ordered the pool to be drained for repairs after the project was allegedly vandalized. (Photo by Andrew Harnik/Getty Images)
Vietnam veterans and an architectural historian are challenging plans for the structure near Memorial Circle (Andrew Harnik/Getty Images)

Their complaint argues that federal law requires congressional authorization before a structure can be built on the relevant parkland in Washington.

They also contend that the proposed arch would interfere with historic views connecting the Lincoln Memorial and Arlington House.

The plaintiffs have not claimed that the ballroom ruling directly approved the arch. Their case concerns a different project, different site and separate legal questions.

John Roberts raised legality in ballroom dissent

The Justice Department’s filing relies on the Supreme Court majority’s discussion of standing.

But Chief Justice John Roberts, who dissented from the ballroom ruling, separately addressed the legality of the White House construction.

WASHINGTON, DC - APRIL 23: Chief Justice John Roberts sits during a group photo of the Justices at t
Roberts argued in dissent that the ballroom project was likely unlawful under federal restrictions on construction in Washington’s public grounds (Getty Images)

Roberts wrote that the ballroom project was “likely unlawful,” citing federal restrictions on construction in federal parkland without congressional authorization.

The statute he discussed is also cited by the veterans challenging Trump’s arch.

The Supreme Court majority, however, said its decision did not determine whether the ballroom project itself was legal.

Excavation could begin within two weeks

Interior Secretary Doug Burgum said on Thursday that excavation for the arch would begin within two weeks.

The announcement came while the lawsuit remains before Chutkan. 

WASHINGTON, DC - APRIL 16: An image and model of President Donald Trump's proposed triumphal arch to commemorate the country's 250th anniversary are displayed during a public meeting of the Commission of Fine Arts at the National Building Museum on April 16, 2026 in Washington, DC. The Commission of Fine Arts voted unanimously to move forward with a proposed 250-foot arch informally dubbed the
Excavation at the proposed site could begin before the legal challenge over the monument is resolved (Andrew Harnik/Getty Images)

The proposed structure would stand 250 feet tall near Memorial Circle, between the Lincoln Memorial and Arlington National Cemetery. 

The Commission of Fine Arts has approved the design, but the National Capital Planning Commission has not yet granted final approval.

The project has also drawn objections from preservationists and Democratic lawmakers, who argue that congressional authorization is required.

The fight now moves to court

Chutkan must decide whether the Supreme Court’s standing ruling applies to the arch challenge. 

WASHINGTON, DC - AUGUST 12: The U.S. Supreme Court is seen at sunset on August 12, 2026 in Washington, DC. (Photo by Kevin Carter/Getty Images)
The judge must now decide whether the Supreme Court’s standing ruling can end the separate challenge to Trump’s proposed structure (Kevin Carter/Getty Images)

The government says the plaintiffs’ objections to the monument’s symbolism and their desire to view nearby landmarks do not establish sufficient injury.

The administration has separately argued that Congress authorized a structure at the site more than a century ago, while opponents say that authorization concerned Arlington Memorial Bridge and did not approve Trump’s proposed arch.

The proposed arch would permanently alter one of Washington’s most prominent historic landscapes, making the court’s decision relevant beyond the construction site itself.

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