 The native auxiliaries could not hold their ground against men who were armed in the same way but were a better class of soldiers.Seeing that their regular order of battle was no match for the Roman legions, the Celtiberians bore down on them in wedge formation and almost broke their line.Flaccus ordered the Legion's cavalry to close ranks and charge the enemy wedge with loose reins, breaking the wedge and throwing the enemy into disarray.