The Order of Saint Barbara is an honorary military society of the United States Field Artillery. Both U.S. Marine and Army field artillery along with their military and civilian supporters are eligible for membership. The order is managed by the U.S. Field Artillery Association and two levels of recognition exist. The most distinguished level is the Ancient Order of Saint Barbara and those who are selected for this honor have achieved long-term, exceptional service to the field artillery surpassing even their brethren in the Honorable Order of Saint Barbara. The order links field artillerymen of the past and present in a brotherhood of professionalism, selfless service and sacrifice symbolized by Saint Barbara.