Roberts is assigned to oversee emergency Supreme Court appeals arising from the D.C. Circuit, but the justices generally refer significant cases to the high court’s full bench for a vote.

Trump initially touted the ballroom project primarily as an effort to create a larger, permanent space at the White House for ceremonial events like state dinners, but in recent weeks increasingly billed the construction as a national security imperative due to features to be included in the redesigned East Wing.

Trump struck a similar note in response to the ruling Friday, thanking the Supreme Court on Truth Social and declaring the White House ballroom complex would be “THE GREATEST OF ITS KIND” and critical for national security. He also said the project is “under budget and ahead of schedule.”