Quietus was brought back into the army .
Quietus was served as one of the emperor 's auxiliary cavalry commanders during the Dacian wars ( his bareheaded Berber cavalry can be seen on Trajan 's column in Rome ) .
Quietus was brought back into the army and served as one of the emperor 's auxiliary cavalry commanders during the Dacian wars ( his bareheaded Berber cavalry can be seen on Trajan 's column in Rome ) .