The Archangel Michael is honored as the angel who fought for God against Satan in the battle described in the book of Revelation (20:1-3). Because of this, he is the patron saint of police officers. A Saint Michael necklace is often worn by polices officers or their spouse as a prayer for protection and safety. Derived from the same history as the Archangel who opposed Satan, St. Michael is the patron saint of those in the military. Michael the Archangel is perhaps the most popular patron saint of all. He is the patron for over 50 causes and places. Most prominent patronages include; patron of military, patron of soldiers, patron of holy death, patron of police officers, patron of sailors, patron of paramedics and many other vocations. Learn about St Michael. As the patron of soldiers, there are various St. Michael Military Medals for each branch of the armed services. Saint Michael pendants are available in a variety of metals including sterling silver, pewter, gold filled and 14KT gold.