Every service branch in the U.S. armed forces explicit prohibits personnel from participating in the type of extremist organizations, from white nationalists to neo-Nazis, that marched through the streets of Charlottesville to protest the removal of a statue of Confederate Gen. Robert E. Lee. But just in case active-duty troops and veterans like hate group Vanguard America's self-described "CEO" Dillon Ulysses Hopper have picked up mixed messages amid the fallout from the violent clashes that left one dead, Pentagon leadership is here with a clear message: Knock that shit off.