<Li> Joan of Arc (Roman Catholic): soldiers </Li> <Li> Ignatius of Loyola (Roman Catholic): soldiers </Li> <P> The Eastern Orthodox Church considers Demetrius of Thessaloniki, Theodore Stratelates, Theodore of Amasea, and John the Warrior to be the patron saints of the military . Saint Nicholas is the patron saint of the Russian navy; all naval cathedrals are dedicated to this saint . Finally Prophet Elijah is the patron Saint of the Hellenic Army Aviation Arm . </P>

Who is the patron saint of the navy