Unlikely as it might be, there are scenarios where the current U.S. legislature could significantly change the Supreme Court and/or disobey it: (a) refusing to

Unlikely as it might be, there are scenarios where the current U.S. legislature could significantly change the Supreme Court and/or disobey it: (a) refusing to fund or enforce some of the court's decisions (this may require action by the executive branch as well) (b) changing the court's composition (c) (potentially*) changing funding of the court (I am not an expert, so I could be wrong, but I would guess that there are mechanisms to do so)