A group of cavalry men defy orders to destroy hundreds of army horses. Having disobeyed a direct order, the men are pursued by the military, but now the bullets aren't just aimed at the horses.
In Pursuit of Honor
In 1932, a modernizing U.S. Army orders the Cavalry to destroy its horses but some sympathetic cavalrymen, defying orders, steal the horses in order to save them from destruction, to the dismay of the top Army-brass.