Officer technical managers in the operation, employment, and application techniques, equipment, systems, and procedures in submarine communications, with practical experience in these areas. They assist and advise commands in communications planning, direction and control, and in the employment and utilization of associated performance of communications personnel; and assist in administration of on-board training programs, facilities, and services. An officer of the Naval Reserve on active duty in the FTS Program (Full Time Support) [Includes officers of the FTS Program rotated to other than FTS billets].