 The regiment was reduced to a demoralized, dismounted, and defeated unit.Employed primarily in a static, defensive role in frontline areas, the unit had steadily lost men and equipment without receiving replacements.Although vastly outnumbered, cavalry, infantry, tank, and Marine units of the 1st Armor Brigade, as well as tenacious Regional Forces and Popular Forces to the east, had succeeded in slowing the momentum of the massive North Vietnamese invasion.