About us. The Archdiocese for the Military Services, USA (AMS), was created by Pope Saint John Paul II in 1985 as the only Catholic diocese responsible for the pastoral care of Catholics in the Military, their dependents, patients in VA hospitals, students at the service academies and federal employees working outside of the U.S. The Archdiocese is the only Catholic endorsing agency that endorses and grants faculties for priests to serve as chapl...