Kennedy relatives seek to join lawsuit challenging plans for Trump ‘triumphal arch’ near Arlington National Cemetery

Relatives of President John F. Kennedy moved to join an ongoing lawsuit that seeks to halt President Donald Trump’s plans for a “triumphal arch” near Arlington National Cemetery, a group said would damage the setting of Kennedy’s burial site. The motion to intervene was filed in court Tuesday, the outlets reported, as the legal fight continued over whether the proposed structure should proceed while the case is pending.

According to the reports, the Kennedy relatives’ request is intended to make them formal parties in the case challenging the project. The lawsuit is framed around concerns that the arch would alter the character of the cemetery grounds, including the area around Kennedy’s grave, and that the change would be irreversible or difficult to remedy if construction proceeds before the court reaches a decision.

Multiple news organizations reported the filing as part of a broader dispute over the architecture and placement of the proposed monument. The Kennedy family members are seeking to stop the project, and their intervention request is an effort to allow them to present arguments and address the claims in a manner that is directly tied to their interests related to Kennedy’s memorial site.

The reports described the litigation as an attempt to secure court relief that would prevent the administration’s plan from being carried out during the case. While the outlets summarized the family’s position, they did not in the provided material specify all legal theories or procedural details, such as the precise claims in the complaint, the exact court or case number, or whether the plaintiffs sought a specific injunction from the judge at the time the intervention motion was filed.

The next step in the litigation, based on the procedural posture described in the reports, would be the court’s handling of the intervention request and continued proceedings on the merits of the challenge. If the court allows the Kennedy relatives to join, they would become part of the litigation record, potentially expanding the arguments presented about how the proposed arch would affect Arlington’s memorial environment and whether the project can proceed under applicable legal standards.