 His Senior Aide-de-Camp was Lieutenant-Colonel John H. Quarton, and his Secretary was M. Patricia Halligan.
<fluency>  His Senior Aide-de-Camp was Lieutenant-Colonel John H. Quarton, and his Secretary was M. Patricia Halligan.
 His Senior Aide-de-Camp was Lieutenant-Colonel John H. Quarton, and his secretary was M. Patricia Halligan.