Marines are trained to obey civilian authority.
Unfortunately, Congress has abdicated its oath (”I do solemnly swear (or affirm) that I will support and defend the Constitution of the United States against all enemies, foreign and domestic...”) to ensure that that authority, the Commander in Chief, is obeying his oath to uphold the Constitution.
Rock - USMC - Hard Place
“Marines are trained to obey civilian authority.”
The top brass should resign - and then speak out.