BLACK CAVALRY (1970) – US one sheet poster . SOUL SOLDIER / BLACK CAVALRY SEE THE POWER, VIOLENCE AND EXCITEMENT!THE BLACK MEN OF THE TENTH CAVALRY! SABER CHARGE was the cry of the Black CavalrySABER CHARGE! was the cry of the buffalo soldiers.They were black troopers who fought and killed the red man for a white government that didn’t give a damn about either one!