Which preposition to use with pelotons

à Occurrences 1%

ne sera pas une entreprise extrêmement difficile, pourvu, je le répète, que l'armée fasse toujours corps, qu'elle ne se divise jamais, et ne veuille point envoyer de pelotons à la poursuite de l'ennemi.

of Occurrences 1%

And then the foot chasseurs of the Guard, old soldiers, were told to take the battery; and there was nothing fine about their advanceno column, no shouting, nobody killedjust a few scattered lines of tirailleurs and pelotons of support; but in ten minutes the guns were silenced, and the Spanish gunners cut to pieces.

Which preposition to use with  pelotons